(idiomatic, UK) So common as to be practically worthless.

(surfing) To perform a stunt on a longboard in which a surfer moves to the front of the board and rides with ten toes extended out over the nose, after positioning the board so the back of it is covered and held in place by a wave.

(surfing) This type of longboard move.

(In both the 12-hour clock and the 24-hour clock) The start of the eleventh hour of the day; 10:00 a.m. (10:00).

Acknowledgment of message received.

(US) A five-and-dime.

(religion) A particular list of religious and moral imperatives which, according to the Old Testament of the Bible or the Hebrew Bible, were twice given or dictated by God to Moses on Mount Sinai and inscribed on two stone tablets.

(of a bicycle) Having ten gears.

A bicycle having ten gears.

The number 10,000,000.