'alto contralto' definitions:

Definition of 'alto contralto'

From: GCIDE

low-pitched \low-pitched\ adj.
1. low in pitch or frequency; -- used of sounds and voices. Opposite of high-pitched. [Narrower terms: {alto, contralto ; {baritone ; {bass, deep ; {contrabass, double-bass ; {throaty ]
Syn: low. [WordNet 1.5]
2. set at a low angle or slant; having a low degree of pitch; as, a low-pitched roof. [WordNet 1.5]