1. forelock - Noun
2. forelock - Verb
The lock of hair that grows from the forepart of the head.
A cotter or split pin, as in a slot in a bolt, to prevent retraction; a linchpin; a pin fastening the cap-square of a gun.
Source: Webster's dictionaryTo Fortune's forelock Charles knew how to cling When favourable to him her face she showed. Ludovico Ariosto
Tell her the joyous Time will not be staid, Unlesse she doe him by the forelock take. Edmund Spenser
Tomorrow sees undone, what happens not to-day Still forward press, nor never tire The possible, with steadfast trust, Resolve should be by the forelock grasp. Then she will neer let go her clasp, And labors on, because she must. Johann Wolfgang von Goethe
Take opportunity by the forelock. American Proverb