D defs.my
Entry 2 senses Webster, 1913

clamshell

· IPA /klˈæmʃˌɛl/
01 n. the shell of a clam.
  1. 1.
    the shell of a clam.
  2. 2.
    a dredging bucket with hinges like the shell of a clam.
Syn. grapple.