Noah Webster
Univocal
UNIV'OCAL, adjective [Latin unus, one, and vox, word.]
1. Having one meaning only. A univocal word is opposed to an equivocal, which has two or more significations.
2. Having unison of sounds; as the octave in music and its replicates.
3. Certain; regular; pursuing always one tenor. [Little Used.]