Etymology 1Edit

Variant of thack, from Old English þæc(roof-covering), from Proto-Germanic *þaką(covering), from (o-grade of) Proto-Indo-European *teg-(cover). Cognate with Icelandic þak, Dutch dak, German Dach, Swedish tak, Danish tag; and with Latin toga, Albanian thak(awn, beard, pin, peg, tassel, fringe), Lithuanian stogas(roof). See also English deech, deck.


thatch ‎(countable and uncountable, plural thatches)

  1. Straw, rushes, or the like, used for making or covering the roofs of buildings, or of stacks of hay or grain.
  2. A name in the West Indies for several kinds of palm, the leaves of which are used for thatching.
  3. A buildup of cut grass, stolons or other material on the soil in a lawn.
  • (Straw for covering roofs or stacks): haulm

Etymology 2Edit

From Middle English thecchen, from Old English þeċċean, from Proto-Germanic *þakjaną. Cognate with West Frisian dekke, Dutch dekken, German decken, Danish tække, Swedish täcka.


thatch ‎(third-person singular simple present thatches, present participle thatching, simple past and past participle thatched)

  1. To cover the roof with straw, reed, leaves, etc.