Today's Word of the Day means...
"The distance between the knots on the log-line should contain 1/120 of a mile, supposing the glass to run exactly half a minute." [Jorge Juan and Antonio de Ulloa, "A Voyage to South America" 1760]The verb meaning "to tie in a knot" is from 1547. Knot-hole is from 1726. Knothead "stupid person" is from 1940.
A compact intersection of interlaced material, as of cord, ribbon, or rope.
A protuberant growth or swelling in a tissue, such as a gland.