1) Inability to speak 2) Tongue disorder 
Congenital absence of the tongue. ... Origin: G. A-priv. + glossa, tongue ... (05 Mar 2000) ... 
(a-glos´e-ә) congenital absence of the tongue.
Type: Term Pronunciation: ā-glos′ē-ă Definitions: 1. Congenital absence of the tongue.
aglossia 1. Without a tongue; no tongue. 2. A congenital absence of the tongue. 3. The loss of the ability to speak; mutism.
absence of the tongue, esp. when congenital. · inability to speak.