Third-person singular simple present indicative form of clamp.(verb)
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Use "clamps" in a sentence
"Wisconsin clamps down on Beasley, beats K-State for ticket to Detroit"
"The only pots remaining were shaped by hand, and fired, not in kilns as in Roman times, but in open 'clamps' a smart word for a pile of pots in a bonfire. ..."
"O'BRIEN: I'm not a particularly claustrophobic person, but yes, it kind of clamps you just like this, so I just closed my eyes, and the problem is, it really sounds a little bit like drilling over your head, so it's not that relaxing."