gad /ˈgæd/
 (vi.)閒逛,遊蕩,蔓延(vt.)用鐵棒刺遊蕩,鏨
 Gad n.
 1. The point of a spear, or an arrowhead.
 2. A pointed or wedge-shaped instrument of metal, as a steel wedge used in mining, etc.
 I will go get a leaf of brass,
 And with a gad of steel will write these words.   --Shak.
 3. A sharp-pointed rod; a goad.
 4. A spike on a gauntlet; a gadling.
 5. A wedge-shaped billet of iron or steel. [Obs.]
    Flemish steel . . . some in bars and some in gads.   --Moxon.
 6. A rod or stick, as a fishing rod, a measuring rod, or a rod used to drive cattle with. [Prov. Eng. Local, U.S.]
 Upon the gad, upon the spur of the moment; hastily. [Obs.] “All this done upon the gad!”
 Gad, v. i. [imp. & p. p. Gadded; p. pr. & vb. n. Gadding.]  To walk about; to rove or go about, without purpose; hence, to run wild; to be uncontrolled. “The gadding vine.”
    Why gaddest thou about so much to change thy way?   --Jer. ii. 36.
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 GAD
      n 1: an anxiety disorder characterized by chronic free-floating
           anxiety and such symptoms as tension or sweating or
           trembling of light-headedness or irritability etc that
           has lasted for more than six months [syn: generalized
           anxiety disorder, anxiety reaction]
      2: a sharp prod fixed to a rider's heel and used to urge a
         horse onward; "cowboys know not to squat with their spurs
         on" [syn: spur]
      v : wander aimlessly in search of pleasure [syn: gallivant, jazz
          around]
 Gad
    fortune; luck. (1.) Jacob's seventh son, by Zilpah, Leah's
    handmaid, and the brother of Asher (Gen. 30:11-13; 46:16, 18).
    In the Authorized Version of 30:11 the words, "A troop cometh:
    and she called," etc., should rather be rendered, "In fortune
    [R.V., 'Fortunate']: and she called," etc., or "Fortune cometh,"
    etc.
      The tribe of Gad during the march through the wilderness had
    their place with Simeon and Reuben on the south side of the
    tabernacle (Num. 2:14). The tribes of Reuben and Gad continued
    all through their history to follow the pastoral pursuits of the
    patriarchs (Num. 32:1-5).
      The portion allotted to the tribe of Gad was on the east of
    Jordan, and comprehended the half of Gilead, a region of great
    beauty and fertility (Deut. 3:12), bounded on the east by the
    Arabian desert, on the west by the Jordan (Josh. 13:27), and on
    the north by the river Jabbok. It thus included the whole of the
    Jordan valley as far north as to the Sea of Galilee, where it
    narrowed almost to a point.
      This tribe was fierce and warlike; they were "strong men of
    might, men of war for the battle, that could handle shield and
    buckler, their faces the faces of lions, and like roes upon the
    mountains for swiftness" (1 Chr. 12:8; 5:19-22). Barzillai (2
    Sam. 17:27) and Elijah (1 Kings 17:1) were of this tribe. It was
    carried into captivity at the same time as the other tribes of
    the northern kingdom by Tiglath-pileser (1 Chr. 5:26), and in
    the time of Jeremiah (49:1) their cities were inhabited by the
    Ammonites.
      (2.) A prophet who joined David in the "hold," and at whose
    advice he quitted it for the forest of Hareth (1 Chr. 29:29; 2
    Chr. 29:25; 1 Sam. 22:5). Many years after we find mention made
    of him in connection with the punishment inflicted for numbering
    the people (2 Sam. 24:11-19; 1 Chr. 21:9-19). He wrote a book
    called the "Acts of David" (1 Chr. 29:29), and assisted in the
    arrangements for the musical services of the "house of God" (2
    Chr. 29:25). He bore the title of "the king's seer" (2 Sam.
    24:11, 13; 1 Chr. 21:9).
 Gad, a band; a troop