RESERVER
Re*serv"er (r-zrv"r), n.

Defn: One who reserves.

RESERVIST
Re*serv"ist, n.

Defn: A member of a reserve force of soldiers or militia. [Eng.]

RESERVOIR Res"er*voir` (rz"r-vwr`;277), n. Etym: [F. réservoir, fr. LL. reservatorium. See Reservatory.]

1. A place where anything is kept in store; especially, a place where water is collected and kept for use when wanted, as to supply a fountain, a canal, or a city by means of aqueducts, or to drive a mill wheel, or the like.

2. (Bot.)

Defn: A small intercellular space, often containing Receiving reservoir (Water Works), a principal reservoir into which an aqueduct or rising main delivers water, and from which a distributing reservoir draws its supply.

RESERVOR
Re*serv"or (r-zrv"r or rz`r-vr), n.

Defn: One who reserves; a reserver.