I. ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: Middle English forlok, forelok, from for-, fore- fore- + lok lock (fastening device) — more at lock
: cotter pin , split pin , linchpin
II. transitive verb
: to fasten with a forelock
III. noun
Etymology: fore- + lock (tuft of hair)
: a lock of hair that grows from the forepart of the head ; specifically : the part of a horse's mane that arises between the ears and hangs forward over the face — see horse illustration