1) Bologna 2) Bologna sausage 3) British slang for a girl 
[biology] Polony is a contraction of `polymerase colony,` a small colony of DNA. Polonies are discrete clonal amplifications of a single DNA molecule, grown in a gel matrix. This approach greatly improves the signal-to-noise ratio. Polonies can be generated using several techniques that include solid-phase PCR in polyacrylamide gels. Howeve...
• (n.) A kind of sausage made of meat partly cooked.
Po·lo'ny noun [ Prob. corrupt. from Bologna .] A kind of sausage made of meat partly cooked. 
Polony: A tiny colony of DNA, about one micron in diameter. The word 'polony' is a contraction of 'polymerase colony.' To create polonies, a solution containing dispersed DNA fragments is poured onto a microscope slide. An enzyme called DNA polymerase is added. It causes each fragment to copy itself repeatedly, creating millions of polonies, each d...
Polony is British slang for a girl.
[n] - (British) another name for Bologna sausage
noun another name for Bologna sausage