A forelock is the lock of hair falling over a horse's forehead. Trim the forelock, the forelock over its eyes, part the forelock.
Of a person it is the piece of hair over the brow, and touching your forelock is the old gesture of deference to a social superior. Tugging the forelock is still used for anybody being servile.
1nounforelockThe lock of hair falling over a horse's forehead.
“The pony shook its head, and its long forelock fell over its eyes.”
forelock is a hair.
Old English forelocc is fore plus lock, a tress of hair.
Old English
forelocc
Middle English
*forelock
English, today
forelock
From Middle English forelock, forelok, from Old English forelocc, equivalent to fore- + lock.
Etymology from Wiktionary, CC BY-SA