surdus et mutus
surdus et mutus 〈拉〉(罗马法)聋哑人
surdus (s[schwa]r-d[schwa]s), n. [Latin] Roman law. A deaf person. • A wholly deaf and mute person could not lawfully make a will before the time of Justinian, who modified the law.
mutus et surdus (myoo-t[schwa]s et s[schwa]r-d[schwa]s). [Latin] Hist. Deaf and dumb.