Meaning of CLAM in English

CLAM

[clam] n [ME, fr. OE clamm bond, fetter; akin to OHG klamma constriction, L glomus ball] (bef. 12c): clamp, clasp

[2]clam n, often attrib [[1]clam; fr. the clamping action of the shells] (ca. 1520) 1 a: any of numerous edible marine bivalve mollusks living in sand or mud b: a freshwater mussel

2: a stolid or closemouthed person

3: clamshell

4: dollar 3 [3]clam vi clammed ; clam.ming (1636): to gather clams esp. by digging -- clam.mer n

Merriam-Webster English vocab.      Английский словарь Merriam Webster.