pteroid1
/ˈtɛrɔɪd/Botany
adjective
Having the characteristics of a fern of the genus Pteris or the family Pteridaceae; resembling a fern, filicoid.
noun
A pteroid fern.
Origin
Mid 19th century; earliest use found in Charles Lyell (1797–1875), geologist. From scientific Latin pteroides, adjective from classical Latin pteris fern + -oīdēs. With the use as noun compare scientific Latin Pteroides, plural noun.
pteroid2
/ˈtɛrɔɪd/adjective
1Chiefly Palaeontology. Especially of the shell of a bivalve mollusc: resembling a wing. rare.
2 Palaeontology. Designating various body parts of a pterosaur associated with the small anterior flight membrane, especially a small, pointed bone that extends from the carpal region towards the shoulder and supports this membrane.
noun
Palaeontology. The pteroid bone of a pterosaur.
Origin
Mid 19th century; earliest use found in Robert Mayne (1808–1868). From ancient Greek πτερόν feather, wing + -oid, in sense A. 1 after scientific Latin pteroides, adjective.