bastard wing

English Thesaurus

1. tuft of small stiff feathers on the first digit of a bird's wing (noun.animal)

hypernym	:	feather, plumage, plume,
definition	:	the light horny waterproof structure forming the external covering of birds (noun.animal)

part meronym	:	wing,
definition	:	a movable organ for flying (one of a pair) (noun.animal)

derivation	:	alular,
definition	:	pertaining to alulae (adj.pert)

derivation	:	alular,
definition	:	pertaining to alulae (adj.pert)