Lexic.us

Definition of Hypoptilum

1. n. An accessory plume arising from the posterior side of the stem of the contour feathers of many birds; -- called also aftershaft. See Illust. of Feather.

Definition of Hypoptilum

1. Noun. (ornithology) An aftershaft. ¹

¹ Source: wiktionary.com

Medical Definition of Hypoptilum

1. An accessory plume arising from the posterior side of the stem of the contour feathers of many birds. Synonym: aftershaft. (04 Mar 1998)

Lexicographical Neighbors of Hypoptilum

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