From Longman Dictionary of Contemporary Englishdry off phrasal verbDRYto become dry or to make something dry, especially on the surface We swam in the sea, then stretched out on the sand to dry off.dry something ↔ off He dried the camera off, hoping it would still work. → dry→ See Verb table
Examples from the Corpus
dry off• He dried off his bicycle seat with a towel.• Clean the plastic cover with a damp sponge, then dry it off with a soft cloth. 