(n) (comp) majordomo
(n) card (with a message written on it) (wasei: message card)
(n) (comp) memory expansion card
(n) (comp) memory expansion board
(n) merry-go-round
(n) member's card
(n) motor drive
(n) morning dress
mourning dress
(n) monaural record
(n) Euclidean space
(n) user's guide
(n) (comp) user-friendly
(n) (comp) uudecode
(n) Universiade
(P)
(n) iodoform reaction
(n) loudspeaker
(P)
(n) round steak
(n) round table
(n) (comp) round trip
(n) round number
(n) wrap-around (i.e. sunglasses)
(n) rapid fire
(n) (comp) running head
(n) readability
(n) reserve fund
(n) Rydberg constant
(n) (comp) root window
(n) (comp) laser diode
(n) layered cut
(n) layered look