Definition of "Contact" :
noun: close interaction
"They kept in daily contact."
noun: the act of touching physically
"Her fingers came in contact with the light switch."
noun: (electronics) a junction where things (as two electrical conductors) touch or are in physical contact
"They forget to solder the contacts."
noun: a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication
noun: a channel for communication between groups
noun: a communicative interaction
"The pilot made contact with the base."
noun: the physical coming together of two or more things
"Contact with the pier scraped paint from the hull."
noun: a person who is in a position to give you special assistance
"He used his business contacts to get an introduction to the governor."
noun: the state or condition of touching or of being in immediate proximity
"Litmus paper turns red on contact with an acid."
verb: be in or establish communication with
"He never contacted his children after he emigrated to Australia."
verb: be in direct physical contact with; make contact
"The wire must not contact the metal cover."