uncle

noun

1. The brother or brother-in-law of one’s parent.

   “And it was while all were passionately intent upon the pleasing and snake-like progress of their uncle that a young girl in furs, ascending the stairs two at a time, peeped perfunctorily into the nursery as she passed the hallway—and halted amazed.”

2. The male cousin of one’s parent.
3. (endearing)Used as a fictive kinship title for a close male friend of one's parent or parents.
4. (euphemistic)Used as a title for the male companion to one's (usually unmarried) parent.
5. (figuratively)A source of advice, encouragement, or help.
6. (British, dated, informal)A pawnbroker.

   “December 1843, William Makepeace Thackeray, "Grant in Paris" (review), in Fraser's Magazine A chain hangs out of the pocket of his velvet waistcoat , by which we may conclude that he has a watch , though we have known many gents whose watches were at their uncle's (as the fashionable term for the pawnbroker goes)”

7. (especially)An affectionate term for a man of an older generation than oneself, especially a friend of one's parents, by means of fictive kin.
8. (Southern-US, archaic, slang)An older African-American male.

   “Plain old uncle as he [Socrates] was, with his great ears, — an immense talker.”

9. (Brunei, Malaysia, Myanmar, Singapore, informal)Any middle-aged or elderly man older than the speaker and/or listener.
10. radiotelephony clear-code word for the letter U.

intj

1. (US, colloquial)A cry used to indicate surrender.

verb

1. (colloquial, transitive)To address somebody by the term uncle.
2. (colloquial, intransitive)To act like, or as, an uncle.

   “Betelgeuse Five, where he both fathered and uncled Ford”