oc·to·pus (Ok'tY-pYs)
n., pl. -pus·es or -pi (-p+').

1. Any of numerous carnivorous marine mollusks of the genus Octopus or related genera, found worldwide. The octopus has a rounded soft body, eight tentacles with each bearing two rows of suckers, a large distinct head, and a strong beaklike mouth. Also called devilfish.

2. Something, such as a multinational corporation, that has many powerful, centrally controlled branches.

[New Latin OctMpks, genus name, from Greek oktMpous, eight-footed : oktM, eight + pous, foot.]