[ ɪk'nju:mən ]
■ noun
1》 (also ~ wasp or ~ fly ) a slender parasitic wasp with long antennae, which deposits its eggs in or on the larvae of other insects. [Family Ichneumonidae: many species.]
2》 the Egyptian mongoose. [ Herpestes ~ .]
Origin
C15: via L. from Gk ikhneumōn 'tracker', from ikhneuein 'to track'.