turnbuckle
英 ['tɜ:nˌbʌkl]
美 ['tɜnˌbʌkəl]
- n. 套筒螺母；螺丝扣
英语词源
- turnbuckle (n.)
- also turn-buckle, 1703, "catch or fastening for windows and shutters," from turn (v.) + buckle (n.). Meaning "coupling with internal screw threads for connecting metal rods" is attested from 1877.