accentual
4.Forming an accentual unit with the following word and thus having no independent accent.
5.The accented or long part of a metrical foot, especially in accentual verse.
6.Forming an accentual unit with the preceding word, and thus having no independent accent.
7.The measured arrangement of words in poetry, as by accentual rhythm, syllabic quantity, or the number of syllables in a line.

