(rail transport) A steam locomotive with a single driving axle.

(healthcare) Being or relating to a form of universal health care in which the costs of essential healthcare for all residents are covered by a single public system (whether state-run or contracted from private organizations).

Having something on one side only.

Alternative form of Singles' Day

Synonym of only child (one who has no siblings).

plural of single child

Third-person singular simple present indicative form of single-hand

present participle of single-hand

To sail a boat unassisted, without any crew beyond oneself.

An overly simplistic and generalized perception of a person, place, or thing.