ichneumon /ik'njwman US: -'nu: -; ik'njuman/ n 1 small brown weasel-like animal noted for destroying crocodiles, eggs. 貓鼬(棕色似臺小動物，善于破壞戛平)。 2 (also 亦作，~-fly) insect which lays its eggs in or on the larva of another insect. 姬蜂(產(chǎn)卵于其他昆蟲之幼蟲體上或體內(nèi)的一種昆蟲)。