(n) gyrocompass
(n) gyroscope
(P)
(n) internal clock that is always correct (wasei: just clock)
(n) Japanologist
(n) (comp) jumper block
(n) Jolly Rodger
pirate skull-and-crossbones flag
(n) super hero
(n) Scanlon plan
(n) scoreless draw
(n,adj-f) (comp) standalone
(n) steam iron
(n) steam roller
(n) stroke play
(n) strophanthin
(n) stroboscope
(n) stromatolite
(n) spirometer
(n) spherometer
(n) space colony
(n) spectrograph
(n) spectrogram
(n) slow starter
(n) throw forward
(adj-na,n) slow-motion (picture)
(n) throttle valve
(n) throttle lever
(n) (uk) cinnamon tree (Cinnamomum zeylanicum)
(n) (comp) security log
(n) (abbr) setting lotion
(n) cephalosporin