Definition of proms:
(n) :
(US) A formal ball held at a high school or college on special occasions; e.g., near the end of the academic year.
(v) :
(intransitive, informal) To attend a prom.
(n) :
(British) A promenade concert.
(n) :
(British, abbreviation) A promenade.
(n) :
A surname.
(n) :
(electronics) Acronym of programmable read-only memory, a chip that can be programmed one or more times (depending on the type) and generally cannot be re-programmed without special equipment (if at all); once programmed and installed in a device, it functions as a read-only chip (as if it had been hard-wired to function that way). [(electronics) A type of read-only memory which can be written to once (write once, read many memory/WORM), and thereafter becomes fixed in value.]