Source : Webster's Revised Unabridged Dictionary (1913)

Suckle \Suc"kle\, n.
   A teat. [Obs.] --Sir T. Herbert.

Suckle \Suc"kle\, v. t. [imp. & p. p. {Suckled}; p. pr. & vb. n.
   {Suckling}.] [Freq. of suck.]
   To give suck to; to nurse at the breast. --Addison.

         The breasts of Hecuba When she did suckle Hector,
         looked not lovelier.                     --Shak.

         They are not weak, suckled by Wisdom.    --Landor.

Suckle \Suc"kle\, v. i.
   To nurse; to suck. [R.]

Source : WordNet®

suckle
     v 1: suck milk from the mother's breasts; "the infant was
          suckling happily"
     2: give suck to; "The wetnurse suckled the infant"; "You cannot
        nurse your baby in public in some places" [syn: {breastfeed},
         {bottle-feed}, {suck}, {nurse}, {wet-nurse}, {lactate}, {give
        suck}] [ant: {bottlefeed}]