Hypertext Webster Gateway: "grottoes"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Grotto \Grot"to\, n.; pl. {Grottoes}. [Formerly grotta, fr. It.
grotta, LL. grupta, fr. L. crypta a con cealed subterranran
passage vault, cavern, Gr. ?, fr. ? concealed, fr. ? to
conceal. Cf. {Grot}, {Crypt}.]
A natural covered opening in the earth; a cave; also, an
artificial recess, cave, or cavernlike apartment.
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