noun, verb, clammed, clam⋅ming.| 1. | any of various bivalve mollusks, esp. certain edible species. Compare quahog, soft-shell clam. |
| 2. | Informal. a secretive or silent person. |
| 3. | clamminess. |
| 4. | Slang. a dollar or the sum of a dollar: I only made 60 clams a week. |
| 5. | to gather or dig clams. |
| 6. | clam up, Slang. to refuse to talk or reply; refrain from talking or divulging information: The teacher asked who had thrown the eraser, but the class clammed up. |
clam
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CLAM mathematics, tool
A system for symbolic mathematics, especially General Relativity. It was first implemented in ATLAS assembly language and later Lisp.
See also ALAM.
["CLAM Programmer's Manual", Ray d'Inverno & Russell-Clark, King's College London, 1971].
(1994-11-08)
clam
In addition to the idiom beginning with clam, also see happy as the day is long (as a clam).