The Collaborative International Dictionary of English v.0.48:

Seethe \Seethe\, v. i.
   To be a state of ebullition or violent commotion; to be hot;
   to boil. --1 Sam. ii. 13.
   [1913 Webster]

         A long Pointe, round which the Mississippi used to
         whirl, and seethe, and foam.             --G. W. Cable.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Seethe \Seethe\, v. t. [imp. Seethed(Sod, obs.); p. p.
   Seethed, Sodden; p. pr. & vb. n. Seething.] [OE.
   sethen, AS. se['o]?an; akin to D. sieden, OHG. siodan, G.
   sieden, Icel. sj??a, Sw. sjuda, Dan. syde, Goth. saubs a
   burnt offering. Cf. Sod, n., Sodden, Suds.]
   To decoct or prepare for food in hot liquid; to boil; as, to
   seethe flesh. [Written also seeth.]
   [1913 Webster]

         Set on the great pot, and seethe pottage for the sons
         of the prophets.                         --2 Kings iv.
                                                  38.
   [1913 Webster]

WordNet (r) 3.0 (2006):

seethe
    v 1: be noisy with activity; "This office is buzzing with
         activity" [syn: hum, buzz, seethe]
    2: be in an agitated emotional state; "The customer was seething
       with anger" [syn: seethe, boil]
    3: foam as if boiling; "a seething liquid"
    4: boil vigorously; "The liquid was seething"; "The water
       rolled" [syn: seethe, roll]

Moby Thesaurus II by Grady Ward, 1.0:

208 Moby Thesaurus words for "seethe":
   abound, assemble, bake, bathe, be angry, be excitable, be in heat,
   be livid, be pissed, be turbulent, bellow, blaze, bloom,
   blow a gasket, blow up, blubber, blunder, bluster, boil, boil over,
   brew, bristle, broil, browned off, bubble, bubble over, bubble up,
   bunch, bunch up, burble, burn, careen, career, carry on,
   catch fire, catch the infection, chafe, choke, churn, clot,
   cluster, collect, combust, come apart, come together, congregate,
   converge, cook, copulate, couple, crowd, date, distill, douche,
   drench, drouk, effervesce, erupt, excite easily, explode, falter,
   ferment, fire up, fizz, fizzle, flame, flame up, flare, flare up,
   flash up, flicker, flip, flock together, flounce, flounder,
   flow together, flush, foam, forgather, fret, fry, fume, fuse,
   gang around, gang up, gasp, gather, gather around, get excited,
   glow, go into hysterics, go on, guggle, gurgle, have a conniption,
   have a tantrum, herd together, hiss, hit the ceiling, hive, horde,
   huddle, imbrue, imbue, impregnate, incandesce, infiltrate, infuse,
   inject, labor, lave, leach, league, link, lixiviate, lurch,
   macerate, mass, meet, merge, mill, mill around, moil, muster,
   overflow, pant, parboil, parch, percolate, permeate, pissed off,
   pitch, pitch and plunge, plop, plunge, radiate heat, rage,
   raise Cain, raise hell, raise the devil, raise the roof, rally,
   rally around, ramp, rant, rant and rave, rave, reel, rendezvous,
   rinse, roast, rock, roil, roll, run a temperature, saturate, scald,
   scorch, shimmer with heat, simmer, sizzle, smoke, smolder, smother,
   smoulder, soak, sodden, sop, souse, spark, sparkle, stagger, steam,
   steep, stew, stifle, stir, storm, stream, struggle, stumble,
   suffocate, surge, swarm, sway, sweat, swelter, swing, take fire,
   take on, teem, thrash about, throng, throw a fit, toast, toss,
   toss and tumble, toss and turn, totter, tumble, turn a hair, unite,
   wallop, wallow, wash, waterlog, welter, work



Easton's 1897 Bible Dictionary:

Seethe
   to boil (Ex. 16:23).