(n) :
(malacology) Any member of the genus Trochus, or more generally of the family Trochidae; in non-specialist usage, including species formerly classified in that family, particularly Tectus niloticus.
(n) :
(malacology) Any member of the genus Trochus, or more generally of the family Trochidae; in non-specialist usage, including species formerly classified in that family, particularly Tectus niloticus.