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lockkeeper
locknut
lockout
Lockport
lockram
locksmith
lockstep
lockup
loco (1)
loco (2)
loco citato
loco disease
Locofoco
locoman
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locomotion
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loco (1)

lo·co [ lṓkō ]


adjective 
Definition:
 
wildly irrational: wildly irrational ( informal )



noun  (plural lo·cos)
Definition:
 
1. botany 
Same as  locoweed


2. veterinary medicine 
Same as  loco disease




transitive verb  (past and past participle lo·coed, present participle lo·co·ing, 3rd person present singular lo·cos)
Definition:
 
1. poison animal: to poison an animal with locoweed

2. make somebody wildly irrational: to make somebody wildly irrational ( informal )

[Late 19th century. < Spanish, "irrational"]
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