Grammar: Noting or pertaining to a gender that refers to things classed
as neither masculine nor feminine.
From M.E., from M.Fr., from L. neuter, literally "neither one nor the other," from ne- "not, no" + uter "either of two;" cf. Av. atāra- "this of the two, which of the two;" Gk. poteros; Lith. katras "which of the two," Russ. kotoryj "which."
Natâr, from negation prefix na-, → non-, + Mid.Pers. atâr, from Av. atāra- "this of the two," cognate with L. uter "either of two;" Av. katāra- "which of two; each of two;" Skt. katará- "who or which of two."