catchword

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun a favorite saying of a sect or political group
noun a word printed at the top of the page of a dictionary or other reference book to indicate the first or last item on that page

From catch + word.

[267] MS. dat; see the catchword. — The Story of Genesis and Exodus: An Early English Song, about 1250 A.D., Unknown
'” quoted Dick from a catchword of long ago. — The Works of Rudyard Kipling: One Volume Edition, Rudyard Kipling
I thought I knew your catchword of glorious John." — The Pirate: Andrew Lang Edition, Walter Scott

motto, slogan, shibboleth

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