A member of an Arab tribe that settled in Egypt and was known for breeding horses and serving as cavalry.

plural of spoolie brush

(idiomatic) A joke, especially one which strikes the listener or reader as particularly humorous.

(physics) The CGS unit of electric dipole moment, defined as 1 D = 10⁻¹⁸ statcoulomb-centimetre and computable from the SI unit coulomb-metre by multiplying by the factor 3.33564 × 10⁻³⁰.