WordReference Random House Unabridged Dictionary of American English © 2025
clam•shell
(klam′shel′),USA pronunciation n.
- Invertebratesthe shell of a clam.
- Mechanical Engineering[Mach.]
- Mechanical EngineeringAlso called clam′shell buck′et. a dredging bucket opening at the bottom, consisting of two similar pieces hinged together at the top.
- Mechanical Engineeringa machine equipped with such a bucket.
- Printinga platen press.
- 1490–1500; earlier clam-shell; see clam1, shell
'clamshell' also found in these entries (note: many are not synonyms or translations):