Definition of "acclaim"

acclaim¹

/ə.ˈkleɪm/

verb
third-person singular simple present acclaims, present participle acclaiming, simple past and past participle acclaimed
1. (archaic, transitive) To shout; to call out.
2. (transitive) To express great approval (for).
  Quotations
  The design, when finally developed, was a slight disappointment to Monsieur Deplis, who had suspected Icarus of being a fortress taken by Wallenstein in the Thirty Years' War, but he was more than satisfied with the execution of the work, which was acclaimed by all who had the privilege of seeing it as Pincini's masterpiece.
  1911, Saki, The Chronicles of Clovis
3. (transitive, rare) To salute or praise with great approval; to compliment; to applaud; to welcome enthusiastically.
4. (transitive, obsolete) To claim.
5. (transitive) To declare by acclamations.
  Quotations
  Thou ſhalt be crown'd— / An Iron Crown, intenſely hot, ſhall gird / Thy hoary Temples; while the ſhouting Crowd / Acclaims thee King of Traitors.
  1749, [Tobias George Smollett], The Regicide: Or, James the First, of Scotland. A Tragedy. […], London: […] [F]or the benefit of the author, Act V, scene the last, page 79
6. (Canada, politics) To elect (a politician, etc.) to an office automatically because no other candidates run; elect by acclamation.

acclaim²

/ə.ˈkleɪm/

noun
countable and uncountable, plural acclaims
1. (poetic) An acclamation; a shout of applause.
2. (obsolete) A claim.