iron mike
(also Iron Mike) Nautical slang
noun
A device (frequently personified) which automatically keeps a ship on a preset heading; = automatic helmsman; also in extended use.
Origin
1920s; earliest use found in Pacific Marine Review. Probably from iron + Mike (with allusion to the fact that the device replaces a person), but compare also mike.
- trial court
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- triangularly
- triangular number
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