natica \nat"i*ca\, n.; pl. {naticas}, L. {naticae} (-s[=e]).
(Zool.)
Any one of numerous species of marine gastropods belonging to
{Natica}, {Lunatia}, {Neverita}, and other allied genera
(family {Naticidae}.) They burrow beneath the sand, or mud,
and drill other shells.
[1913 Webster]