|a children's mummer's parade, as on the Fourth of July, with
prizes for the best costumes.| |a printed punctuation mark (‽),
available only in some typefaces, designed to combine the
question mark (?) and the exclamation point (!), indicating a
mixture of query and interjection, as after a rhetorical
question.| |1.||a. the interval between two musical notes one of
which has twice the pitch of the other and lies eight notes away
from it counting inclusively along the diatonic scale| |b. one
of these two notes, esp the one of higher pitch| |c. perfect
diminished See also interval (as modifier): an octave leap|
|2.||prosody a rhythmic group of eight lines of verse| |3.||a. a
feast day and the seven days following| |b. the final day of
this period| |4.||the eighth of eight basic positions in
fencing| |5.||any set or series of eight| |6.||consisting of
eight parts| |[C14: (originally: eighth day) via Old French from
Medieval Latin octāva diēs eighth day (after a festival), from
Latin octo eight]| An interval betw