Nock is a 4 letter English word. It's valid Scrabble word worth 10 points. It's valid Words with friends word worth 12 points.
You can make 21 anagrams from letters in nock (ckno).
1325-75; Middle English nok(ke) (noun); akin to Dutch nok, Low German nok(ke) tip
In each of the tips of horn is a notch for the string called "the nock."
This is the application of the nock of the arrow to its proper place on the string.
The “bob-tail” diminishes from the pile to the nock; the “chested” tapers from the middle to the pile.
Scarcely had Johnny stepped back to nock an arrow, than the other saw him.
The first of these is for the cock feather and should be on a line perpendicular to the nock.
The nock should be strong, and very carefully finished, so that no injury may be done by the string or to the string.
Care must be taken that the nocking-part of the string exactly fits or fills the nock of the arrow.
He thought seriously for several moments, then telepathed nock.
In each of the tips of the horns is a notch for the string, called the nock.
The stick with the nock appears to be the butt end of a projectile shaft.