أُسْتَاذٌ
Root: استاذ
Full Definition
أُسْتَاذٌ
a foreign word, pronounced to be such because س and ذ do not occur in any one Arabic word, not found in the poetry of the pagan times, (Ibn-Dihyeh in TA art. ستذ,) nor in the language of those times, [arabicized from the Persian أُسْتَادْ,] A master: a skilful man, who is held in high estimation: a preceptor; a tutor; a teacher: a craftmaster: [and so in the present day; as also أُسْتَا and أُسْطَا:] also applied by the vulgar to a eunuch; because he generally tutors children: pl. أُسْتَاذُونَ [and أَسَاتِيذُ and أَسَاتِذَةٌ; and vulgarly, in the present day, أُسْتَوَاتٌ and أُسْطَوَاتٌ].