(noun) a mechanism for adjusting the operation of a device , machine , or system
(noun) the ability to direct the course of something
(noun) the act or activity of looking after and making decisions about something
Definitions for Saliva
(noun) the fluid that is secreted into the mouth by certain glands
(noun) a clear liquid secreted into the mouth by the salivary glands and mucous glands of the mouth; moistens the mouth and starts the digestion of starches