(horology) The wheel of an escapement.

(engineering) A form of cam shaped like a heart, used to convert uniform rotary motion into uniform reciprocating motion.

Ferris wheel

plural of observation wheel

A stitch resembling a spider's web, worked into the material, and not over an open space.

Any sea urchin of the genus Rotula having a round, flat shell; a type of sand dollar.

A variety of bournonite with wheel-shaped twin crystals.

Alternative form of wheelhorse.

(idiomatic) To create conditions likely to produce or hasten favorable future developments.

present participle of grease the wheels