haltere
/ˈhɔːltɪə(r)/noun
(一般作halteres)
- Entomology the balancing organ of a two-winged fly, seen as either of a pair of knobbed filaments that take the place of the hindwings, vibrating during flight【昆】（双翅目昆虫的）平衡棒; 平衡器。
词源
mid 16th cent. （originally plural， denoting a pair of weights like dumb-bells held in the hands to give impetus when jumping）： from Greek haltēres (plural)， from hallesthai 'to leap'.