Roccella

noun
Roc·​cel·​la | \ rōˈchelə \

Definition of Roccella

: a genus (the type of the family Roccellaceae) of chiefly maritime rock-inhabiting lichens that have a fruticulose or pendulous thallus and include some (especially Roccella tinctoria) which are the chief sources of the dye archil and some which furnish litmus — compare lecanora, pertusaria

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Other Words from Roccella

roccelline \ -​elə̇n , -​eˌlīn \ adjective

History and Etymology for Roccella

New Latin, from Italian, archil (plant), alteration of oricello

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Cite this Entry

“Roccella.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Roccella. Accessed 16 May. 2021.

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