noun
rareA person who acclaims or joins in acclamation; an acclaimer, an applauder.
Origin
Late 17th century; earliest use found in John Evelyn (1620–1706), diarist and writer. From post-classical Latin acclāmātor person who proclaims from classical Latin acclāmāt-, past participial stem of acclāmāre + -or.
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