ʿAbd (Arabic: عبد‎‎) is an Arabic word meaning one who is subordinated as a slave or a servant, and it means also to worship. The word can also be transliterated into English as 'Abd, where the apostrophe indicates the ayin, denoting a voiced pharyngeal fricative consonant or some reflex of it.
Abdullah or Abdallah is the primary transliteration of the Arabic given name, Arabic: عبد الله‎‎, built from the Arabic words Abd and Allah (Allah itself composed of Al- and Ilah). ... It is one of many Arabic theophoric names, meaning servant of God or God's slave. The feminine counterpart of this name is Amatullah.
Muslim Meaning: The name Abdul Waahid is a Muslim baby name. In Muslim the meaning of the name Abdul Waahid is: Servant of the One.