SUPERNUMERARY

I. adjective Etymology: Late Latin supernumerarius, from Latin super- + numerus number Date: 1605 1. exceeding the usual, stated, or prescribed number , not enumerated among the regular components of a group and especially of a military organization, exceeding what is necessary, required, or desired, more numerous, II. noun (plural -aries) Date: 1639 a ~ person or thing, an actor employed to play a walk-on