c. 1600, perhaps from Dirk, the proper name, which was used in Scandinavian for "a picklock." But the earliest spellings were dork, durk (Johnson, 1755, seems to be responsible for the moder [..]

Dirk is a Scottish word for a short dagger. It is a cut-down sword blade mounted on a dagger hilt, rather than a knife blade. Its blade length and style varied, but it was generally 7–14 inches (170 t [..]

(n) a relatively long dagger with a straight blade

Short sword forming part of R.N. midshipman's uniform. Also, colloquial name for a seaman's knife.

A long thin knife. It was used for fighting in close quarters, as well as cutting rope.

(1) Scots word for a short dagger; sometimes a cut-down sword blade mounted on a dagger It was used for fighting in close quarters, as well as cutting rope. (2) A small naval sword worn by midshipmen [..]

A small naval sword worn by midshipmen or their equivalents when in full dress uniform.

a dagger, usually in reference to 17th

divination

of German and Dutch origin, cognate to Derek. ----

Dutch and Low German short form of Diederik. This name was borne by several counts of Frisia and Holland, beginning in the 10th century. It was popularized in the English-speaking world by actor Dirk [..]