'clamshell' definitions:

Definition of 'clamshell'

From: WordNet
noun
The shell of a clam
noun
A dredging bucket with hinges like the shell of a clam [syn: clamshell, grapple]

Definition of 'clamshell'

From: GCIDE
  • clamshell \clamshell\ n.
  • 1. the shell of a clam. [WordNet 1.5]
  • 2. a dredging bucket with hinges like the shell of a clam.
  • Syn: grapple. [WordNet 1.5]