The Collaborative International Dictionary of English v.0.48:

Dag \Dag\, n. [Of Scand. origin; cf. Sw. dagg, Icel. d["o]gg.
   [root]71. See Dew.]
   A misty shower; dew. [Obs.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Dag \Dag\, n. [OE. dagge (cf. Dagger); or cf. AS. d[=a]g what
   is dangling.]
   A loose end; a dangling shred.
   [1913 Webster]

         Daglocks, clotted locks hanging in dags or jags at a
         sheep's tail.                            --Wedgwood.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Dag \Dag\, v. t. [1, from Dag dew. 2, from Dag a loose end.]
   1. To daggle or bemire. [Prov. Eng.] --Johnson.
      [1913 Webster]

   2. To cut into jags or points; to slash; as, to dag a
      garment. [Obs.] --Wright.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Dag \Dag\, v. i.
   To be misty; to drizzle. [Prov. Eng.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Dag \Dag\ (d[a^]g), n. [Cf. F. dague, LL. daga, D. dagge (fr.
   French); all prob. fr. Celtic; Cf. Gael. dag a pistol, Armor.
   dag dagger, W. dager, dagr, Ir. daigear. Cf. Dagger.]
   1. A dagger; a poniard. [Obs.] --Johnson.
      [1913 Webster]

   2. A large pistol formerly used. [Obs.]
      [1913 Webster]

            The Spaniards discharged their dags, and hurt some.
                                                  --Foxe.
      [1913 Webster]

            A sort of pistol, called dag, was used about the
            same time as hand guns and harquebuts. --Grose.
      [1913 Webster]

   3. (Zool.) The unbranched antler of a young deer.
      [1913 Webster]

WordNet (r) 3.0 (2006):

dag
    n 1: 10 grams [syn: dekagram, decagram, dkg, dag]
    2: a flap along the edge of a garment; used in medieval clothing
       [syn: jag, dag]

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

DAG
       DatenAnschaltGeraet


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

DAG
       Directed Acyclic Graph (NVSG)


The Free On-line Dictionary of Computing (30 December 2018):

DAG

   1.  Data Address Generator.

   2.  directed acyclic graph.

   (1997-08-30)