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1

hydroid

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adjective hy·droid \ˈhī-ˌdrȯid\

Definition of hydroid

  1. :  of or relating to a hydrozoan; especially :  resembling a typical hydra



Origin of hydroid

ultimately from New Latin Hydra


First Known Use: circa 1864


2

hydroid

noun hy·droid

Definition of hydroid

  1. :  hydrozoan; especially :  a hydrozoan polyp as distinguished from a hydrozoan jellyfish



1865

First Known Use of hydroid

1865


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