DAW is a 3 letter word that starts with D.

1. \Daw\ (d[add]), n. [OE. dawe; akin to OHG. t[=a]ha, MHG.
   t[=a]he, t[=a]hele, G. dohle. Cf. {Caddow}.] (Zo["o]l.)
   A European bird of the Crow family ({Corvus monedula}), often
   nesting in church towers and ruins; a jackdaw.
   
         The loud daw, his throat displaying, draws The whole
         assembly of his fellow daws.             --Waller.
   
   Note: The daw was reckoned as a silly bird, and a daw meant a
         simpleton. See in Shakespeare: -- ``Then thou dwellest
         with daws too.'' (--Coriolanus iv. 5, 1. 47.) --Skeat.
   
   

2. \Daw\, v. i. [OE. dawen. See {Dawn}.]
   To dawn. [Obs.] See Dawn. --Drayton.
   
   

3. \Daw\, v. t. [Contr. fr. {Adaw}.]
   1. To rouse. [Obs.]
   
   2. To daunt; to terrify. [Obs.] --B. Jonson.