Tog"gle (?), n. [Cf. Tug.] [Written
also toggel.] 1. (Naut.) A wooden pin
tapering toward both ends with a groove around its middle, fixed
transversely in the eye of a rope to be secured to any other loop or bight
or ring; a kind of button or frog capable of being readily engaged and
disengaged for temporary purposes.
2. (Mach.) Two rods or plates connected by a
toggle joint.
Toggle iron, a harpoon with a pivoted crosspiece in a
mortise near the point to prevent it from being drawn out when a whale,
shark, or other animal, is harpooned. -- Toggle
joint, an elbow or knee joint, consisting of two bars so
connected that they may be brought quite or nearly into a straight line,
and made to produce great endwise pressure, when any force is applied to
bring them into this position.