Dictionary.net

• Capable of forming a hybrid, or of being subjected to a hybridizing process; capable of producing a hybrid by union with another species or stock.

2010 - New Age Dictionary Database
By Oddity Software

• Capable of forming a hybrid, or of being subjected to a hybridizing process; capable of producing a hybrid by union with another species or stock.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.