Bible Dictionaries
Semibreve

Webster's Dictionary

(n.) A note of half the time or duration of the breve; - now usually called a whole note. It is the longest note in general use.

Bibliography Information
Webster, Noah. Entry for 'Semibreve'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​s/semibreve.html. 1828.