Bub'by (bŭb'bȳ) noun [ Confer Prov. German bübbi , or Italian poppa , Pr. popa , Old French poupe , a woman's breast.] A woman's breast. [ Low] Found on http://www.encyclo.co.uk/webster/B/107
Bub'by noun [ A corruption of brother .] Bub; -- a term of familiar or affectionate address to a small boy. Found on http://www.encyclo.co.uk/webster/B/107