- loco disease
Origin of locoMexican Spanish ; from Sp, mad ; from Classical Latin ulucus, owl, akin to ulula, owl
- to poison with locoweed
- Slang to craze
Origin of loco-; from Classical Latin loco, ablative of locus, place: see local
transitive verblo·coed, lo·co·ing, lo·cos
- To poison with locoweed.
- Slang To cause to be mentally deranged; craze.
Origin of locoSpanish, crazy, possibly from Arabic lawqa’, foolish, feminine sing. of ’alwaq, from laqa, to soften; see lwq in Semitic roots.
Origin of locoFrom Italian loco, from Latin loc&omacron;, ablative of locus, place.
- (music) A direction in written or printed music to return to the proper pitch after having played an octave higher or lower.
(comparative more loco, superlative most loco)
- (rail transport, informal) locomotive
Abbreviation of locomotive.