Octave, a stanza of eight lines; especially the two quatrains of an Italian sonnet, [120].
Ode, a kind of exalted lyric poem, not strictly a metrical term but often used as such to describe the simple stanzaic structure of the 'Horatian' ode or the complex system of strophe, antistrophe and epode of the 'Pindaric' ode, [131] ff.
Onomatopoeia, primarily a rhetorical figure but of much wider application, covering all cases from single words to phrases and lines of verse in which there is agreement, by echo or suggestions, between the sound of the words and their meaning; as a metrical term, the agreement of the verse rhythm with the idea expressed, [177] ff.
Ottava Rima, the stanza (of Italian origin) riming abababcc5, [111] f.
Overflow, the running over of the parts of a sentence from one line to the next without a pause at the end of the line, [62]. See Enjambement, Run-on.
Paeon, a classical foot, — ◡ ◡ ◡, [51], [76] ff.
Pause, (1) logical or grammatical, that which separates the formal parts of a sentence, [61], [63]; (2) rhythmical, that which separates the breath-groups of spoken sentences, [61] ff.; (3) metrical, (a) that which separates the parts of a metrical pattern, as at the end of a line, [62], and also (b) that which takes the place of an unstressed element of a foot, being equivalent to the rest in music (indicated by the sign ‸ ), [62] ff.
Pentameter, a 5-stress line, [52]. (This term is well established, but open to objection.)
Phrase, a group of words held together either by their meaning (or content) or by their sound, [32] f; [37] ff.