Noun
A metrical break in a verse, occurring in the middle of a foot and commonly near the middle of the verse; a sense pause in the middle of a foot. Also, a long syllable on which the caesural accent rests, or which is used as a foot.
Source: Webster's dictionaryafter an ominous caesura the preacher continued Source: Internet
In addition to setting pace for the line, the caesura also grouped each line into two couplets. Source: Internet
Catullus, for example, allows an elision across the caesura in 18 cases, a rare flaw in the later poets (Ovid, for example, never does this). Source: Internet
In english poetry caesura is typical for trochaic octosyllable of church hymns while iambic metres have no caesuras. Source: Internet
Stated another way, an iambic word (like θεά at Il. 1.1) should not precede the midline caesura. Source: Internet
Almost always 11-syllable line is divided by caesura into 5+6. Source: Internet