Definition of "loco" []

• Slang Mad; insane. (adjective)
• See locoweed. (noun)
• See loco disease. (noun)
• To poison with locoweed. (verb-transitive)
• Slang To make insane; craze. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In the words _pulsi loco cedere ausi erant_, _loco_ is to be joined, as Dietsch observes, with cedere_, not, as Kritzius puts it, with _pulsi_."
• ""Very true, gudewife," said Saddletree in reply, "we are _in loco parentis_ to him during his years of pupillarity, and I hae had thoughts of applying to the Court for a commission as factor _loco tutoris, _ seeing there is nae tutor nominate, and the tutor-at-law declines to act; but only I fear the expense of the procedure wad not be _in rem versam, _ for I am not aware if Willie has ony effects whereof to assume the administration.""
• "| The difference between in loco parentis and loco school principals »"