A mechanism on a bicycle wheel used while cycling to move the bicycle chain from one sprocket (gear) to another, to change speeds. [from early 20th c.]

October 7th, 2026

(rare) Used especially as a gender-neutral term: the sibling or sibling-in-law of one's parent; one’s uncle or aunt. [from 21st c.]

October 6th, 2026

(US) Audacious and unrestrained.

October 5th, 2026

(narratology) Of or relating to diegesis; existing within a fictional universe (rather than as background), and able to be perceived by the characters.

October 4th, 2026