Jug n. : A vessel, usually of coarse earthenware, with a swelling belly and narrow mouth, and having a handle on one side.

Jug n. : A pitcher; a ewer.

Jug n. : A prison; a jail; a lockup.

Jug v. t. : To seethe or stew, as in a jug or jar placed in boiling water; as, to jug a hare.

Jug v. t. : To commit to jail; to imprison.

Jug v. i. : To utter a sound resembling this word, as certain birds do, especially the nightingale.

Jug v. i. : To nestle or collect together in a covey; -- said of quails and partridges.

Example:
What can I put in a Jug to prevent it from breaking when freezing water?

Taxonomy
Jug, free encyclopedia, United States, slang term, Slavic languages, Milk Jug, search, vessel, liquids, rhythmic, bass accompaniment, cross breed, Java programming language, nickname, geological formation, Shoals, Indiana, knot, road junction.

Defination from the web:
Jug (dog), cross breed between a Pug and a Jack Russell Terrier. Java User Group (JUG), a group of people who meet to discuss the Java programming language ... "In the jug", slang term for prison or Detention (imprisonment) An onomatopoeic representation of a nightingale's call. Jugs may be: ...