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]