Third-person singular simple present indicative form of callus.(verb)
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Use "calluses" in a sentence
"PERPER: If there ` s evidence of abuse in the past, it can be shown if there are changes in the bone, what they call calluses which might indicate remote fracture."
"A muscle-corded hand, well-furnished with sword calluses, gripped the curved ash."
"Quenten had not missed the sword calluses on her hands, and the easy way she wore her blade."