Term: rattlesnake fern: American fern whose clustered sporangia resemble a snake's rattle
Broader: grape fern: a fern of the genus Botrychium having a fertile frond bearing small grapelike clusters of spore cases | Unrelated: optic chiasma: the crossing of the optic nerves from the two eyes at the base of the brain
Broader: grape fern: a fern of the genus Botrychium having a fertile frond bearing small grapelike clusters of spore cases | Unrelated: cycliophora: tiny marine organisms each the size of a period found in great numbers on lobsters' lips; identified tentatively in 1995 as a new phylum or as possible link between Entoprocta and Ectoprocta
Broader: grape fern: a fern of the genus Botrychium having a fertile frond bearing small grapelike clusters of spore cases | Unrelated: sealant: a kind of sealing material that is used to form a hard coating on a porous surface (as a coat of paint or varnish used to size a surface)
Broader: grape fern: a fern of the genus Botrychium having a fertile frond bearing small grapelike clusters of spore cases | Unrelated: capital: the upper part of a column that supports the entablature
Broader: grape fern: a fern of the genus Botrychium having a fertile frond bearing small grapelike clusters of spore cases | Unrelated: hertzian wave: an electromagnetic wave generated by oscillations in an electric circuit
Broader: grape fern: a fern of the genus Botrychium having a fertile frond bearing small grapelike clusters of spore cases | Unrelated: establishmentarianism: the doctrine of supporting the social or political establishment
Broader: grape fern: a fern of the genus Botrychium having a fertile frond bearing small grapelike clusters of spore cases | Unrelated: ravioli: small circular or square cases of dough with savory fillings
Broader: grape fern: a fern of the genus Botrychium having a fertile frond bearing small grapelike clusters of spore cases | Unrelated: mushy peas: marrowfat peas that have been soaked overnight and then boiled; served with fish and chips
Broader: grape fern: a fern of the genus Botrychium having a fertile frond bearing small grapelike clusters of spore cases | Unrelated: pesantran: a Muslim school in Indonesia operated by religious leaders; produces young militants skilled in jihad
Broader: grape fern: a fern of the genus Botrychium having a fertile frond bearing small grapelike clusters of spore cases | Unrelated: androgen: male sex hormone that is produced in the testes and responsible for typical male sexual characteristics