Our ‘A’ to ‘Z’ of Gardening Terms Terms that begin with “Z” Home/Glossary/Glossary-Z Complete GlossaryABCDEFGHIJKLMNOPQRSTUVWXYZ TermDefinition zygomorphic flowerAn irregular shaped flower divisible into two similar halves along one plane only. zygoteA fertilized egg.
