-tre·ma
\.ˈtrēmə\ noun combining form
Etymology: New Latin -tremat-, -trema, from Greek trēmat-, trēma hole — more at throw
1. plural -tremas\-məz\ or -trema·ta \-məd.ə, -mətə\ : hole : orifice : opening
< helicotrema >
2. : creature having (such) an opening — in generic names
< Eurytrema >
1. plural -tremas
< helicotrema >
2.
< Eurytrema >