juvenal, noun
- Origin:
- Probably adaptation of English juvenile.
Ostrich-farming
A feather from the third plumage of a young ostrich, after the birth and chick plumages. See also chick. Also attributive.
1909 J.E. Duerden in Agric. Jrnl of Cape of G.H. XXXIV. 519Juvenal feathers...are of a uniformly dark grey or slate colour, and the tip is rounded, not pointed...All the feathers of the juvenal plumage are not fully ripe until the birds are about sixteen months old, the last to ripen being the wing quills, which are known as ‘first-after-chicks,’ or, better, as juvenals.
1930 M.F. Wormser Ostrich Indust. in S. Afr. 9The ostrich has 4 plumages, viz. natal, chick, juvenal, adult.
A feather from the third plumage of a young ostrich, after the birth and chick plumages.
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