- loco disease
Origin of locoMexican Spanish from Sp, mad from Classical Latin ulucus, owl, akin to ulula, owl
transitive verb-·coed, -·co·ing
- 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 lawqā' foolish feminine sing. of 'alwaq from lāqa to soften lwq
Origin of locoFrom Italian loco from Latin locō 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.