alation
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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 […]