supernumerary
1. su.per.nu.mer.ary \.su:-p*r-'n(y)u:-m*-.rer-e-, -'n(y)u:m-(*-)re-\ aj [LL supernumerarius, fr. L super- + numerus number - more a]t NIMBLE 1: exceeding the stated or prescribed number 2: SUPERFLUOUS 3: more numerous 2. supernumerary n 1: a supernumerary person or thing 2: an actor employed to play a walk-on (as in a mob scene or spectacle)