The Collaborative International Dictionary of English v.0.48:

Frolic \Frol"ic\ (fr[o^]l"[i^]k), a. [D. vroolijk; akin to G.
   fr["o]lich, fr. froh, OHG. fr[=o], Dan. fro, OS. fr[=a]h, cf.
   Icel. fr[=a]r swift; all perh. akin to Skr. pru to spring
   up.]
   Full of levity; dancing, playing, or frisking about; full of
   pranks; frolicsome; gay; merry.
   [1913 Webster]

         The frolic wind that breathes the spring. --Milton.
   [1913 Webster]

         The gay, the frolic, and the loud.       --Waller.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Frolic \Frol"ic\, n.
   1. A wild prank; a flight of levity, or of gayety and mirth.
      [1913 Webster]

            He would be at his frolic once again. --Roscommon.
      [1913 Webster]

   2. A scene of gayety and mirth, as in lively play, or in
      dancing; a merrymaking.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Frolic \Frol"ic\, v. i. [imp. & p. p. Frolicked; p. pr. & vb.
   n. Frolicking.]
   To play wild pranks; to play tricks of levity, mirth, and
   gayety; to indulge in frolicsome play; to sport.
   [1913 Webster]

         Hither, come hither, and frolic and play. --Tennyson.
   [1913 Webster]

WordNet (r) 3.0 (2006):

frolic
    n 1: gay or light-hearted recreational activity for diversion or
         amusement; "it was all done in play"; "their frolic in the
         surf threatened to become ugly" [syn: play, frolic,
         romp, gambol, caper]
    v 1: play boisterously; "The children frolicked in the garden";
         "the gamboling lambs in the meadows"; "The toddlers romped
         in the playroom" [syn: frolic, lark, rollick,
         skylark, disport, sport, cavort, gambol, frisk,
         romp, run around, lark about]

The Free On-line Dictionary of Computing (19 January 2023):

Frolic

   A Prolog system in Common Lisp.

   (ftp://ftp.cs.utah.edu/pub/frolic.tar.Z).

   (1991-11-23)