Payment Gateways. 1  For every credit card transaction online and in-store, a service must communicate with the customer's credit card company to check for sufficient funds. In-store, typically, a POS (point of sale) machine performs this action.
Definition of idic. : relating to or consisting of ids idic constituents of germplasm.
An idiom is a set expression of two or more words that means something other than the literal meanings of its individual words. Adjective: idiomatic. Idioms are the idiosyncrasies of a language, says Christine Ammer.