Noun rom has 1 sense
  1. read-only memory, ROM, read-only storage, fixed storage - (computer science) memory whose contents can be accessed and read but cannot be changed
    --1 is a kind of memory, computer memory, storage, computer storage, store, memory board
    --1 has particulars:
     CD-ROM, compact disc read-only memory; erasable programmable read-only memory, EPROM