[1] : The Collaborative International Dictionary of English v.0.48

capsize \capsize"\, v. t.  i. imp.  p. p. capsized; p. pr.
    vb. n. capsizing. cf. sp. cabecear to nod, pitch,
   capuzar, chapuzar, to sink a vessel by the head; both fr.
   l. caput head.
   to upset or overturn, as a vessel or other body.
   1913 webster

         but what if carrying sail capsize the boat? --byron.
   1913 webster
see also:
capsized capsizing 

[2] : The Collaborative International Dictionary of English v.0.48

capsize \cap"size`\, n.
   an upset or overturn.
   1913 webster

[3] : WordNet (r) 2.0

capsize
     v : overturn accidentally; "don't rock the boat or it will
         capsize" syn: turtle, turn turtle
see also:
turtle turn turtle 

[4] : Moby Thesaurus II by Grady Ward, 1.0

55 moby thesaurus words for "capsize":
   be lost, careen, come a cropper, culbuter, fall, fall down,
   fall flat, fall headlong, fall over, fall prostrate, flounder,
   founder, get a cropper, go down, invert, keel, keel over, list,
   lurch, overset, overthrow, overturn, pitch, pitchpole, scuttle,
   sink, somersault, sprawl, spread-eagle, stagger, stumble, subvert,
   take a fall, take a flop, take a header, take a pratfall,
   take a spill, tilt, tip over, topple, topple down, topple over,
   topsy-turvify, topsy-turvy, totter, trip, tumble,
   turn a somersault, turn over, turn topsy-turvy, turn turtle,
   turn upside down, upset, upset the boat, upturn

Capsize >> C Words
Capsize, definition of term: Capsize
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