Merriam-Webster's Collegiate® Dictionary, 11th Edition
ROE
I. noun (plural roe or roes)
Etymology: Middle English ro, from Old English rā; akin to Old High German rēh roe Date: before 12th century doe ,
II. noun
Etymology: Middle English roof, roughe, row; akin to Old Norse hrogn roe and probably to Lithuanian kurkulai frog's eggs
Date: 15th century
the eggs of a fish especially when still enclosed in the ovarian membrane, the eggs or ovaries of an invertebrate (as the coral of a lobster)