Easton's Bible Dictionary (1897)
Constant, one of the seven “deacons” (Acts 6:5).
Smith's Bible Dictionary (1863)
” (Acts 8:5) There is a tradition that he suffered martyrdom at Philippi in the reign of Trajan.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
PAR'MENAS (steadfast), one of the seven deacons ordained by the disciples to administer alms to the widows and the poor of the church. Acts 6:5.
Hitchcock's Bible Names (1869)
that abides, or is permanent