1710, John Gadbury, Nauticum Astrologicum: Or, The Astrological Seaman:
and it is no uncommon thing, for a Glorious Morning Sun, that continues his Brightneſs and Claritude the whole day, to ſet Cloudy in the Evening.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for claritude inWebster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)