noun pl. clams or clam
- any of various hard-shell, usually edible, bivalve mollusks, some of which live in the shallows of the sea, others in fresh water
- the soft, edible part of such a mollusk
- Informal a reticent or taciturn person
- ☆ clamshell (sense )
- ☆ Slang
- a dollar
- Jazz a misplayed note
Origin:
< obs. clam, clamp (< OE clamm, bond, fetter: for IE base see climb); with ref. to the action of the shells
intransitive verb clammed, clamming
to dig, or go digging, for clams