Bible Dictionaries
Alto

Webster's Dictionary

(1):

(n.) Formerly the part sung by the highest male, or counter-tenor, voices; now the part sung by the lowest female, or contralto, voices, between in tenor and soprano. In instrumental music it now signifies the tenor.

(2):

(n.) An alto singer.

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