Alco-holic
noun, slang
noun, slang ·Uncommon ·Advanced level
Definitions
Noun
- 1 An enthusiast of locomotives etc. built by the American Locomotive Company. informal
Etymology
From ALCO + -holic, punningly on alcoholic.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.