blue·bird 
(blbûrd′)
(blbûrd′)n.
Any of several North American songbirds of the genus Sialia, having blue plumage and usually a rust-colored breast in the male.
- polycarpy
- polycentric
- polycentrism
- polychaete
- polychaetous
- polychlorinated biphenyl
- polychromatic
- polychromatophile
- polychromatophilia
- polychromatophilic
- polychrome
- polychromic
- polychromophilia
- polychromous
- polychromy
- Polycleitus
- polyclinic
- Polyclitus
- polyclonal
- polyclonally
- polyconic projection
- polycyclic
- polycyclic aromatic hydrocarbon
- polycystic
- polycystic ovary syndrome