Hypoptilum

Not Acceptable For Game Play

This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. An aftershaft.
  • the GNU version of the Collaborative International Dictionary of English
  • 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.
  • The Century Dictionary and Cyclopedia
  • n. In ornithology, the aftershaft or hyporachis of a feather; the whole of the supplementary plume which springs from the stem of the main feather at the junction of calamus and rachis.
  • Variant
    aftershaft    feather