also side-track, "railway siding used for turning out or shifting rolling stock," 1835, from side (adj.) + track (n.). The verb meaning "to move (a train car) onto a sidetrack" is from 1874. The figurative sense of "to divert from the main purpose" is attested from 1881. Related: Sidetracked.
updated on September 30, 2022
Dictionary entries near sidetrack