clam
How to Use Clam
Learner’s notesIn plain EnglishA shellfish with a hinged shell — or, informally, a dollar, or (as "clam up") to suddenly stop talking.
Word Forms
clammer comparative, clammed past tense, clammed past tense, clammed past tense, clams plural, clams plural, clams singular, clams singular, clams singular, clammest superlative
Fill the Gap
Can you complete this real example?
We dug for _____ along the shoreline at low tide.
Etymology
From Old English clam ("bond, grip"), related to a word meaning to press or squeeze together — the shellfish sense comes from how tightly its shell clamps shut.