oystershell scale

[ oi-ster-shel ]
/ ˈɔɪ stərˌʃɛl /

noun

a scale insect, Lepidosaphes ulmi, having a scale shaped like the shell of an oyster, which infests various deciduous trees and shrubs.
Also called oyster scale.

Origin of oystershell scale

An Americanism dating back to 1875–80; oyster + shell

Words nearby oystershell scale

oystered, oysterfish, oystering, oysterman, oysters rockefeller, oystershell scale, oysterwoman, oz, oz., oz. ap., oz. av.