(aviation) To perform a touch-and-go landing. / (nautical) To touch bottom lightly and without damage, as a vessel in motion.

(idiomatic) To float an idea, (or otherwise do some action) to see what response or controversy (if any) it generates, usually as a preliminary step.

A person who goes to bed early and wakes up early will lead a more successful life.

(US, idiomatic, predicative) Too late and too feeble to achieve the desired effect.

(US, idiomatic) Adverbial use of the adjectival form.

Alternative spelling of rock and roll

Alternative form of rough and ready

Relating to use of bait and switch (offering one attractive exchange initially, but not honoring the offer) in business, politics, and elsewhere.

Alternative spelling of so-and-so

An aircraft instrument that shows both the aircraft's rate of turn about the vertical axis and also the amount of banking about the longitudinal axis.