(idiomatic) A major fuss over a trivial matter.

Alternative form of storm in a teacup: synonym of tempest in a teapot

(computer graphics) A three-dimensional mathematical model of a teapot, often used as a reference object to test or assess a rendering technique.

(philosophy) A china teapot which hypothetically orbits the Sun between Earth and Mars, which is too small to be detected by telescopes but cannot be proven not to exist.

(philosophy) Russell's teapot

(philosophy) Russell's teapot

(idiomatic) Something totally useless.

plural of Brown Betty teapot

A teapot made from red terracotta clay and covered in Rockingham brown glaze, originally made in Stoke-on-Trent by the Elder Brothers circa 1695.

(simile) Totally useless.