Words related to switch

switchblade (n.)
also switch-blade, type of folding pocket knife, 1932, from switch (n.) + blade. So called for the "switch" which is pressed to spring the knife open. Earlier a similar tool was known as an Arkansas toothpick (1837) and a clasp-knife (1755).
switchboard (n.)
also switch-board, "device for making interchangeable connections between many circuits," 1867, from switch (n.) + board (n.1).
switchable (adj.)
1954, from switch (v.) + -able.
switchback (n.)
in reference to zig-zag railways, 1863, from switch (v.) + back (adv.). As an adjective from 1873.