hydrorhiza

[ hahy-druh-rahy-zuh ]

noun

, plural hy·dro·rhi·zae [hahy-dr, uh, -, rahy, -zee].

1. the rootlike base of a hydroid colony, by which it is attached to the substratum.

Other Words From

• hydro·rhizal adjective

Word History and Origins

Origin of hydrorhiza¹

From New Latin, dating back to 1860–65; hydro- ¹, -rhiza