alula

  • n.阿鲁拉;翅瓣,(禽)小翼羽

复数: alulae

alulaalula

noun

1
tuft of small stiff feathers on the first digit of a bird's wing
Synonym: bastard wing spurious wing
2
scalelike structure between the base of the wing and the halter of a two-winged fly
Synonym: calypter

数据来源:WordNet