Possible misspelling? More dictionaries have definitions for
calvin,
cavin,
clavis
-- could that be what you meant?
conspicuous leaders among varieties in number
Bartlett and Kieffer are conspicuous leaders among varieties in number of trees and in production for the whole country. — from The Pears of New York by U. P. Hedrick
This tab, called Hiding in Plain Sight,
shows you passages from notable books where your word is accidentally (or perhaps deliberately?)
spelled out by the first letters of consecutive words.
Why would you care to know such a thing? It's not entirely clear to us, either, but
it's fun to explore! What's the longest hidden word you can find? Where is your name hiding?