| forelock | 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. Forelock bolt, a bolt retained by a key, gib, or cotter passing through a slot. Forelock hook, a winch or whirl by which a bunch of three yarns is twisted into a standard. To take time, or occasion, by the forelock, to make prompt use of anything; not to let slip an opportunity. "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." (Swift) "On occasion's forelock watchful wait." (Milton) Source: Websters Dictionary (01 Mar 1998) |
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| white forelock | A triangular or diamond-shaped depigmented macule with white hairs, usually located in the anterior midline of the scalp, seen in piebaldism. (05 Mar 2000) |
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