What is to make trim or smart; to straighten up; to erect; to make a jaunty or saucy display of; as, to perk the ears; to perk up one's head. Cowper. Sherburne called?

perk — To make trim or smart; to straighten up; to erect; to make a jaunty or saucy display of; as, to perk the ears; to perk up one's head. Cowper. Sherburne. (Webster's 1913.)

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