From The Collaborative International Dictionary of English v.0.48:
Roe \Roe\, n. [For roan, OE. rowne, akin to G. rogen, OHG. rogan, Icel. hrogn, Dan. rogn, ravn, Sw. rom; of uncertain origin; cf. Gr. ??? pebble, Skr. ?arkar[=a] gravel.] 1. (Zool.) The ova or spawn of fishes and amphibians, especially when still inclosed in the ovarian membranes. Sometimes applied, loosely, to the sperm and the testes of the male. [1913 Webster]
2. A mottled appearance of light and shade in wood, especially in mahogany. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Roe \Roe\, n. [OE. ro, AS. r[=a]h; akin to D. ree, G. reh, Icel. r[=a], SW. r[*a].] (Zool.) (a) A roebuck. See Roebuck. (b) The female of any species of deer. [1913 Webster]