(architecture) Having large rooms with few dividing barriers such as partitions.

(Britain) Either of a pair of rectangular metal plates bearing an alphanumeric code, fixed to the front and rear of a motor car to show its identity as registered with the DVLA.

A small-scale chemical engineering facility designed to research the full-scale production of a product.

Alternative spelling of plainsong

(music) A form of monophonic chant in unison using the Gregorian scale, sung in various Christian churches.

Having three strands or layers

Yarn having three strands

One who plays the piano (to make music); a pianist.

plural of gibber plain

(Australia) A large desert pavement.