confirm or settle (a contract or bargain)

the Texan wanted to impress him to clinch a business deal

grapple at close quarters, especially (of boxers) so as to be too closely engaged for full-arm blows

secure (a nail or rivet) by driving the point sideways when it has penetrated

a struggle or scuffle at close quarters

breaking from a clinch, he crossed with his right

a knot used to fasten ropes or angling lines, using a half hitch with the end seized back on its own part