alation
English edit
Etymology edit
French, from Latin alatus (“winged”).
Noun edit
alation (countable and uncountable, plural alations)
- (uncountable) The state of being winged.
- (countable) A wing or wing-like structure.
- 1940, Woods Hole Oceanographic Institution, Collected Reprints, page 117:
- Sculpture of strong wing-like structures or alations, initiated first below the smooth nuclear whorls as broad and somewhat flattened axial ridges, which on the sixth whorl become slightly oblique and expanded […]