pup

noun

1. A young dog, wolf, fox, seal, bat or shark, or the young of certain other animals.

   “The dog has had that bed since he was just a pup.”

2. A young, inexperienced person.

   “The new teacher is a mere pup.”

3. Any cute dog, regardless of age.

   “My pup likes to run as fast as he can, yet cannot always stop in time!”

4. A short semi-trailer used jointly with a dolly and another semi-trailer to create a twin trailer.
5. A new plant growing from a shoot that can be used for propagation.
6. A kind of small spotlight.

   “For a scene like the Highgate exhumation night sequence suitable equipment would consist of: two brutes on Molevators, three 10 K lights also on Molevators and, for good measure, two 5 Ks, four 2 Ks, two pups (1000 W), two North lights […]”

   “Spots were also used for the foreground, usually the smaller type like a “pup,” which could be repositioned quickly for different setups.”

7. (US)An early edition of a periodical publication, intended for distribution to distant locations.
8. (slang)Someone who participates in pup play (the sexual practice of role-playing as a young dog).

   “It could be any dude, as long as you really want to fuck him. It could be a... a twink, a bear, an otter, a circuit queen, a chub, a pup, a gipster, a daddy chaser, a leatherman, a ladyboy, a Donald Duck. Donald Duck's a gay guy who's been kicked out of the Navy.”

   “Mentorship, I learned from the Fog City pups, plays a huge role in their family business, where the pack hierarchy comes into play.”

   “(Pups are apparently different from "furries," who dress up in animal suits. And they are both different from "bunnies," which the author didn't explain and which I have neither heart nor stomach to Google.)”

9. A small tributary or feeder stream in the US state of Alaska.

   “[...] stream gravels of Bear Pup are auriferous for a distance of at least 2 miles above its mouth.”

   “At last we reached the head of Young creek, and following a "pup" stream we worked out way over a third divide and down into the great Chitina valley.”

   “[…] the Iditarod district . None appear in the Dictionary of Alaska Place Names (27) and presumably are local pups or streams whose terminology is not currently used.”

   “[…] covered, not by the main stream many meters to the east, but by silt moving downslope from the west. […] It is common [to find] bones at the juncture of such side feeder systems, or "pups," as they are called locally. I have found that extant wild sheep (Ovis dalli) bones occur in similar pup streams in areas that today serve as winter ranges for sheep. […]”

10. (abbreviation, acronym, alt-of)Acronym of potentially unwanted program, software that most computer users do not want on their computers, such as adware.
11. Paid up
12. Prokaryotic ubiquitin-like protein

verb

1. (intransitive)To give birth to pups.

name

1. (abbreviation, alt-of, initialism)Initialism of Private Use Plane: either of the two Unicode planes (planes 15 and 16) reserved for private use.
2. (informal)A white dwarf star, the secondary star in the binary star system Sirius, Alpha Canis Majoris.