Толковый словарь английского языка - strum

I. noun Etymology: imitative Date: 1764 an act, instance, or sound of ~ming, II. verb (~med; ~ming) Date: 1777 transitive verb 1. to brush the fingers over the strings of (a musical in~ent) in playing , to play (music) on a stringed in~ent , to cause to sound vibrantly , intransitive verb to ~ a stringed in~ent, to sound vibrantly, ~mer noun