lock-stitch

n [U] sewing-machine stitch that locks threads firmly together 连锁缝纫（针迹）.

local option, local time, locale, locality, localization, localisation, localize, localize, localise, locally, locate, located, location, loch, loci, lock, lock oneself in, lock out, lock-gate, lock-keeper, lock-nut, lock-out, lock-up, lockable, locker, locker-room, locket, lockjaw, lockout, locksmith, loco, locomotion, locomotive, locum, locus, locus classicus, locust, locution, lode, lodestar (also loadstar), lodestone, lodge,