Aa

See also: Appendix:Variations of "aa"

Translingual

Aa

Etymology 1

Named to always appear first in alphabetical listings; or alternatively after Pieter van der Aa.

Proper noun

Aa f

1. A taxonomic genus within the family Orchidaceae – a group of orchids of cool climates in Latin America.

Hypernyms

• (genus): Eukaryota – superkingdom; Plantae – kingdom; Viridiplantae – subkingdom; Streptophyta – infrakingdom; Embryophyta – superphylum; Tracheophyta – phylum; Spermatophytina – subphylum; angiosperms, monocots - clades; Asparagales - order; Orchidaceae - family; Orchidoideae - subfamily; Cranichideae - tribe; Cranichidinae - subtribe

Hyponyms

• (genus): Aa paleacea - type species; for other species see Aa at The Plant List.

References

• Aa (plant) on Wikipedia.Wikipedia
• Aa (Orchidaceae) on Wikispecies.Wikispecies
• Aa (Orchidaceae) on Wikimedia Commons.Wikimedia Commons
• Aa at the Catalogue of Life 
• Aa at Encyclopedia of Life
• Aa at National Center for Biotechnology Information
• Aa at The Plant List

Etymology 2

Perhaps from Hawaiian ʻaʻā. This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.

Proper noun

Aa f

1. A taxonomic subgenus within the family Euconulidae – Philonesia (Aa), a group of snails.

Hypernyms

• (subgenus): Stylommatophora - order; Helicina - suborder; Limacoidei - infraorder; Trochomorphoidea - superfamily; Euconulidae - family; Microcystinae - subfamily; Philonesia - genus

Hyponyms

• (subgenus): For species see Aa (ICZN) on Wikispecies.Wikispecies

References

• Aa (ICZN) on Wikispecies.Wikispecies

English

Etymology

The river names are ostensibly from Proto-West Germanic *ahu (“river”).

Proper noun

Aa

1. Several waterways in Europe.
   1. A river in northern France, flowing 93 km from near Bourthes, Pas-de-Calais department into the North Sea near Gravelines, Nord department.
   2. A small river in the Netherlands, flowing 72 km from near Nederweert, Limburg into the Dieze at 's-Hertogenbosch, North Brabant.
   3. A tributary of the Möhne river in North Rhine-Westphalia, Germany, part of the Rhine basin.
   4. A tributary of the Nether river in North Rhine-Westphalia, Germany, part of the Weser basin.
   5. A tributary of the Werre river in North Rhine-Westphalia, Germany, part of the Weser basin.
2. A village in Ida-Viru County, northern Estonia, on the Gulf of Finland.
3. A surname from Norwegian.

Further reading

• Aa in the Encyclopædia Britannica (11th edition, 1911)

Dutch

Etymology

The word a (also aa), used as a hydronym. From Proto-Germanic *ahwō (“waters, river”), from Proto-Indo-European *h₂ekʷeh₂ (“water”); both natively, and through Dutch Low Saxon Aa and German Low German Aa (both from Old Saxon aha (“stream”)), and German Aa (from Old High German aha (“stream”)). For more information, see a and its cognate English ea.

Pronunciation

• IPA^(key): /aː/

• Audio

  (file)

• Hyphenation: Aa
• Rhymes: -aː

Proper noun

Aa f

1. The name of dozens of small rivers and streams; also a common element in many derived hydronyms.

Derived terms

• Drentse Aa

Related terms

• Ee

Further reading

• Aa (waternaam) on the Dutch Wikipedia.Wikipedia ^nl

German

Etymology 1

Onomatopoeic, as also Kacke, which compare.

Pronunciation

• IPA^(key): /ˈʔa.ʔa/, /ʔaˈʔa/
• In this word the glottal stop is strictly phonemic and can never be omitted.

• Audio

  (file)

Noun

Aa n (strong, genitive Aa or Aas, no plural)

1. (childish or parentese) feces, poop

Declension

Declension of Aa [sg-only, neuter, strong]

	singular
	indef.	def.	noun
nominative	ein	das	Aa
genitive	eines	des	Aa, Aas
dative	einem	dem	Aa
accusative	ein	das	Aa

Alternative forms

• A-a

Related terms

• Aa machen

Etymology 2

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Pronunciation

• IPA^(key): /aː/

Proper noun

die Aa f (proper noun, usually definite, definite genitive der Aa)

1. A left tributary of the Möhne, North Rhine-Westphalia, Germany
2. A left tributary of the Nethe, North Rhine-Westphalia, Germany
3. A left tributary of the Herre, North Rhine-Westphalia, Germany
4. any of several other rivers in Germany, France, Switzerland, Estonia, Latvia, Lithuania, the Netherlands and Belgium

Declension

Declension of Aa [sg-only, feminine]

	singular
	def.	noun
nominative	die	Aa
genitive	der	Aa
dative	der	Aa
accusative	die	Aa

Proper noun

Aa m or f (proper noun, surname, masculine genitive Aas or (with an article) Aa, feminine genitive Aa, plural Aas)

1. a surname

Declension

Declension of Aa [masculine // feminine, surname]

	singular						plural
	masculine			feminine
	indef.	def.	noun	indef.	def.	noun	def.	noun
nominative	(ein)	(der)	Aa	(eine)	(die)	Aa	(die)	Aas
genitive	(eines)	(des)	Aas, Aa1	(einer)	(der)	Aa	(der)	Aas
dative	(einem)	(dem)	Aa	(einer)	(der)	Aa	(den)	Aas
accusative	(einen)	(den)	Aa	(eine)	(die)	Aa	(die)	Aas

¹With an article.

Norwegian Nynorsk

Noun

Aa f

1. obsolete typography of å