(mathematics, obsolete) A continuous variable, especially one with respect to time in Newton's Method of Fluxions.

Covered with fluff. / Light; soft; airy. / (colloquial) Warm and comforting. / (colloquial) Not clearly defined or explained; fuzzy. / Lightweight; superficial; lacking depth or seriousness.

(informal) Someone or something that has a fluffy texture. / (informal, derogatory) A person who is superficial, who lacks depth or seriousness. / (New Zealand) A babycino (frothy milk drink).

A lucky or improbable occurrence, with the implication that the occurrence could not be repeated.

To obtain a successful outcome by pure chance. / (snooker) To fortuitously pot a ball in an unintended way.

A flounder. / A trematode; a parasitic flatworm of the Trematoda class, related to the tapeworm.

Either of the two lobes of a whale's or similar creature's tail. / (nautical) Any of the triangular blades at the end of an anchor, designed to catch the ground.

any unit of volume, or system of such units

A motion like that of waves; a moving in this and that direction. / A wavering; unsteadiness.

(pathology) A complication of pregnancy characterized by movement of amniotic fluid past the placenta