The Collaborative International Dictionary of English v.0.48:

Whala \Whala\, v. t. [imp. & p. p. Whaled; p. pr. & vb. n.
   Whaling.] [Cf. Wale. ]
   To lash with stripes; to wale; to thrash; to drub. [Prov.
   Eng. & Colloq. U. S.] --Halliwell. Bartlett.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Whaling \Whal"ing\, n.
   The hunting of whales.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Whaling \Whal"ing\, a.
   Pertaining to, or employed in, the pursuit of whales; as, a
   whaling voyage; a whaling vessel.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

37 Moby Thesaurus words for "whaling":
   angling, banging, bumping, casting, colossal, dressing-down,
   enormous, fishery, fishing, fly fishing, gargantuan, gigantic,
   guddling, harpooning, hiding, immense, jigging, larruping,
   lathering, leathering, licking, mighty, paddling, piscation,
   prodigious, rod and reel, slapping, spanking, still-fishing,
   tanning, thumping, thundering, trawling, trolling, walloping,
   whacking, whopping