smoot

Etymology 1
Height of Oliver R. Smoot, who lay on the Harvard Bridge to measure it as an MIT fraternity prank.

Noun

 * 1)  A unit of length defined as exactly sixty-seven inches (approximately 1.70 meters).

Etymology 2
Ultimately from.

Noun

 * 1)  A small opening built into a dry-stone wall to allow sheep (and hares) to pass through; a thirl.