(sewing) On a sewing machine, the toothed mechanism that uses a forward, down, back, and up motion against the presser foot to advance the fabric through the machine evenly.

Of a page in a book or other publication: having its corner folded down, either due to having been read many times, or intentionally as a sort of bookmark.

Any of genus Cynomys, small, stout-bodied burrowing rodents with shallow cheek pouches, native to North America and Central America.

(intransitive, transitive) To pop up from a hole or similar in a manner that resembles the way a prairie dog pops his head up from his burrow.

(Cockney rhyming slang, Australian rhyming slang) A telephone.

(vulgar) Fecal matter produced by a dog. / (vulgar) Rubbish. / (vulgar) Nothing, or very little. / (vulgar, slang, Australia, New Zealand) Rigged (sometimes shortened to dog).

(vulgar) Bad.

(climbing) The situation of hanging on the rope after falling off a climb. / (obsolete) A rascal, one fit to be executed by hanging.

(archaic) The days following the heliacal rising of Sirius, now in early August (Gregorian) at dates varying by latitude. / The unpleasantly hot days of late summer.

(slang) A US marine.