giant octopus

plural giant octopuses · nonstandard plural giant octopusses · nonstandard plural giant octopi · nonstandard plural giant octopii · plural rare giant octopodes

1. A mythical or fictional large sea creature with features of an octopus
   1. informalSynonym of Kraken (Norse sea monster)

      Synonyms: Kraken

   2. informalSynonym of Cthulhu (Lovecraftian horror monster)

      Synonyms: Cthulhu

2. One of certain large sea creatures of the order Octopoda
   1. Haliphron atlanticus (giant Atlantic octopus)
   2. Enteroctopus spp.
   3. especially, Enteroctopus dofleini (giant Pacific octopus)