Any species in the genus Corallus / The Pacific tree boa, Candoia bibroni / The Madagascar tree boa, Sanzinia madagascariensis / The Haitian tree boa, Epicrates gracilis

plural of water boa

The anaconda.

A Central and South American snake with iridescent scales, Epicrates cenchria.

plural of emerald tree boa

Corallus caninus or / Corallus batesii (formerly considered a single species).

plural of Boas-Buck polynomial

(mathematics) Any member of the sequence of polynomials Φₙ⁽ʳ⁾(x) given by generating functions of the form displaystyle C(ztʳB(t))=∑_(n>0)𝛷ₙ⁽ʳ⁾(z)tⁿ.