obrotund
adjEtymology Borrowed from Latin obrotundus (“somewhat round”), from ob- (“towards; against”) + rotundus. Analyzeable as ob- + rotund.
- It is a minute, perhaps juvenile shell, ten millimetres in length, obrotund, thin, not nacreous, equivalve, brown, hinge without teeth; foot rudimentary; fixed to rocks by a byssus.1882, George W[ashington] Tryon Jr., Structural and Systematic Conchology: An Introduction to the Study of the Mollusca, volume I, page 268:
- Related terms
- elliptical, obround