What is an eight line verse called?
Octet, octave, ottava all mean 8-line verse or stanza (section of a larger poem). There are also specific types of verse, such as triolet, which is an 8-line poem style from Medieval France in which the last first two lines are repeated at the end and the first line is also repeated in the fourth line. The rhyme scheme for a triolet is always ABAAABAB.