cyathus

[ sahy-uh-thuhs ]

/ ˈsaɪ ə θəs /

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noun, plural cy·a·thi

[sahy-uh-thahy]. /ˈsaɪ əˌθaɪ/.

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Which of the following words describes “sky blue”?

navy

beryl

azure

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Origin of cyathus

<Latin <Greek kyáthoskyathos

Words nearby cyathus

cyanurate, cyanuric, cyanuric acid, cyathiform, cyathium, cyathus, Cybele, cyber, cyberathlete, cyberattack, cyberbully

How to use cyathus in a sentence

The ladle (cyathus, Fig. 127) held about one-twelfth of a pint, or more probably was graduated by twelfths.
The Private Life of the Romans|Harold Whetstone Johnston
Some similar teeth occur on the segments of the anterior ramus of the fourth cirrus, but not on the pedicel, in A. cyathus.
A Monograph on the Sub-class Cirripedia (Volume 2 of 2)|Charles Darwin
Cyathus stercoreus varies considerably, however, as to shape and size of cups, according to habitat.
The Mushroom, Edible and Otherwise|M. E. Hard
When old they become smoother, and are sometimes mistaken for Cyathus vernicosus.
The Mushroom, Edible and Otherwise|M. E. Hard

This genus is distinguished from Cyathus, its nearest ally, by the peridial wall, consisting of two layers only.
The Mushroom, Edible and Otherwise|M. E. Hard