Definition of "break off" [break off]

• To end abruptly, either temporarily or permanently. (verb)
• To remove a piece from a whole by breaking or snapping (verb)

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• "Even then, at Barbee's Crossroads, Jeb had to break off the engagement because of a rumored threat to his rear."
• "The Federal infantry in front of Kershaw's and Humphreys's brigades showed no inclination to break off the fight after a single repulse."
• "“Though if you chance to come upon the Heartwood Tree and one of the branches just happens to break off and fall on your head . . .”"