jockstrap

• n. 下体弹力护身；护身三角绷带

jock,来自人名Jock,俚语阴茎，strap,带子。引申词义下体护身。

jockstrap (n.)

also jock-strap, "supporter of the male genital organs, used in sports," 1897, with strap (n.) + jock slang for "penis" c. 1650-c. 1850, probably from Jock, the nickname for John, which was used generically for "common man" from c. 1500.