Antil[ae]

from The Collaborative International Dictionary of English v.0.48

Antlia \Ant"li*a\, n.; pl. {Antil[ae]}. [L., a pump, Gr, ? hold
   of a ship] (Zool.)
   The spiral tubular proboscis of lepidopterous insects. See
   {Lepidoptera}.
   [1913 Webster]