Poetrythe commencement of two or more stressed syllables of a word group either with the same consonant sound or sound group(consonantal alliteration), as in from stem to stern, or with a vowel sound that may differ from syllable to syllable(vocalic alliteration), as in each to all. Cf. consonance (def. 4a).
Poetrythe commencement of two or more words of a word group with the same letter, as in apt alliteration's artful aid.
Medieval Latin alliterātiōn-, stem of alliterātiō, equivalent. to al-al- + literātiō, modeled after obliterātiōobliteration but intended to convey a derivative of littera letter
the use of the same consonant (consonantal alliteration) or of a vowel, not necessarily the same vowel (vocalic alliteration), at the beginning of each word or each stressed syllable in a line of verse, as in around the rock the ragged rascal ran
Etymology: 17th Century: from Medieval Latin alliterātiō (from Latin al- (see ad-) + litera letter), on the model of obliterātiōobliteration