<p><strong>Noun</strong></p><ul><li>a short, simple melody, especially one characterized by single notes to which an indefinite number of syllables are intoned, used in singing psalms, canticles, etc., in church services.</li><li>a psalm, canticle, or the like, chanted or for chanting.</li><li>the singing or intoning of all or portions of a liturgical service.</li><li>any monotonous song.</li><li>a song; singing: the chant of a bird.</li><li>a monotonous intonation of the voice in speaking.</li><li>a phrase, slogan, or the like, repeated rhythmically and insistently, as by a crowd.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to sing to a chant, or in the manner of a chant, especially in a church service.</li><li>to sing.</li><li>to celebrate in song.</li><li>to repeat (a phrase, slogan, etc.) rhythmically and insistently.</li><li>(used without object) to sing.</li><li>to utter a chant.</li></ul>