| Webster's Online Dictionary |
| Part of Speech | Definition | |
| Noun | 1. An accessory plume arising from the posterior side of the stem of the contour feathers of many birds; -- called also aftershaft.[Websters]. | |
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Date "Hypoptilum" was first used in popular English literature: sometime before 1914. (references) |
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Etymology:Hypoptilum \Hy*pop"ti*lum\, noun; plural Latin Hypoptila, English Hypoptilums. [New Latin expression, from the Greek expression "ypo` beneath down.]. (references) |
| Part of Speech | Definition | |
| Noun | 1. An accessory plume arising from the posterior side of the stem of the contour feathers of many birds; -- called also aftershaft.[Websters]. | |
| Top | ||
Date "HYPOPTILUM" was first used in popular English literature: sometime before 1914. (references) |
| Etymology:Hypoptilum \Hy*pop"ti*lum\, noun; plural Latin Hypoptila, English Hypoptilums. [New Latin expression, from the Greek expression "ypo` beneath down.]. (references) |
