A lustrous velvet with a patterned appearance, produced by pressing or twisting the fabric in different directions.

(entomology) A vein running along the dorsum of the wing.

(mathematics, physics) a pseudovector

(humorous) Said after making a joke.

(quantum field theory) One of a set of three spacelike (and possibly also one timelike) four-dimensional vectors which are orthonormal within some inertial reference frame.

plural of vegetable ivory tree

A tropical South American palm, Phytelephas macrocarpa, whose seed is used as a substitute for ivory; the tagua palm.

(biology) A small crossvein at the front of the wing of a dragonfly or damselfly

(euphemistic) To give oral sex to someone (female).

(historical) A blend of cotton and linen, used for making suits etc.