(literary or archaic) A relationship or relation (to something). / A measurement one can compare (some other measurement) to.

To provide a list of references for (a text). / To refer to, to use as a reference. / To mention, to cite. / (programming) To contain the value that is a memory address of some value stored in memory.

(neuroanatomy, neurophysiology) The neural pathway that mediates a reflex.

(transitive) To purify; reduce to a fine, unmixed, or pure state; to free from impurities. / (intransitive) To become pure; to be cleared of impure matter.

(sports) An umpire or judge; an official who makes sure the rules are followed during a game. / A person who settles a dispute.

To act as a referee.

Act or process of referring to itself or oneself.

(transitive, obsolete in general sense) To cool down, make cool. / (transitive) Now specifically, to keep cool by containing within a refrigerator.

A building, or a mass of machinery, used to produce refined products such as sugar, oil, or metals.

simple past tense and past participle of refine