Main Entry: ²chap

Function: verb

Inflected Form(s): chapped; chap·ping

Etymology: Middle English chappen; akin to Middle Dutch cappen to cut down

Date: 15th century

intransitive verb : to open in cracks, slits, or chinks; also : to become cracked, roughened, or reddened especially by the action of wind or cold <hands often chap in winter>transitive verb : to cause to chap <wind-chapped lips>