Defn: 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.

SEMIBRIEF
Sem"i*brief`, n. (Mus.)

Defn: A semibreve. [R.]

SEMIBULL
Sem"i*bull`, n. (R.C.Ch.)

Defn: A bull issued by a pope in the period between his election and coronation.

SEMICALCAREOUS
Sem`i*cal*ca"re*ous, a.

Defn: Half or partially calcareous; as, a semicalcareous plant.

SEMICALCINED
Sem`i*cal*cined", a.

Defn: Half calcined; as, semicalcined iron.

SEMICASTRATE
Sem`i*cas"trate, v. t.