topcross (topkros)
The Century Dictionary and Cyclopedia · 1897 · p. 34
In breeding, a genera tion of ancestors. IMG:content-0589.jpg:[blocks in formation] Breeder's Gazette (Chicago), March 28, 1890. top-drain (top'drān), v. t. To drain by surface drainage.
Readham'da tam maddeyi gor →