Forelock
Forelock , noun
1.
The lock of hair that grows from the forepart of the head.
2.
(Mechanics) 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.
Time is painted with a lock before and bald behind, signifying thereby that we must take time by the forelock; for when it is once past, there is no recalling it.
On occasion's forelock watchful wait.
Collocations (3)
Forelock bolt , a bolt retained by a key, gib, or cotter passing through a slot.
Forelock hook (Rope Making) , a winch or whirl by which a bunch of three yarns is twisted into a standard. — Knight
To take time by the forelock or To take occasion by the forelock , to make prompt use of anything; not to let slip an opportunity.