BDELLIUM n. 2 definitions
An unidentified substance mentioned in the Bible (Gen. ii. 12, and Num. xi. 7), variously taken to be a gum, a precious stone, or pearls, or perhaps a kind of amber found in Arabia.
CHORD n.
upper or lower part of a truss, usually horizontal, resisting compression or tension. Waddell. Accidental, Common, and Vocal chords. See under Accidental, Common, and Vocal. -- Chord of an arch. See Illust. of Arch. -- Chord of curvature, a chord drawn from any point of a curve, in the circle of curvature for that p…