bimarginate
1Bimarginate — Bi*mar gin*ate, a. [Pref. bi + marginate.] Having a double margin, as certain shells. [1913 Webster] …
2bimarginate — bimarginate, bimembral see bi prefix2 1 …
3bimarginate — adj. [L. bis, two; margo, border] Having two margins …
4bimembral — bimarginate, bimembral see bi prefix2 1 …