X-ray (short wavelength electromagnetic radiation) / X-ray (photograph made with X-rays)

(astronomy, physics) cosmic ray

a Japanese stringed instrument played by plucking, vaguely similar to a banjo / short for 三味線草 (shamisen-gusa): the shepherd's purse, Capsella bursa-pastoris

(uncommon) a Japanese stringed instrument played by plucking, vaguely similar to a banjo

tilde; over-line

Synonym of 三味線 (shamisen): a Japanese plucked string instrument played similarly to a banjo

a fretless plucked lute with three strings and a skin-covered body originally from Okinawa, the precursor to the shamisen

wire diameter

an older or pre-existing rail line, as opposed to any newer line servicing the same area / the non-bullet train JR railway lines, the regular train lines as opposed to the shinkansen

underground line, specifically an underground cable or wire