American Heritage Dictionary
(2)
Century Dictionary
(1)
GNU Webster's 1913
(1)
WordNet
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Elsewhere on the web
You know by now that a noun is a word - a word that is a person, place, thing, or idea.— LearnHub Activities
↑ This date refers to its first usage as a noun, which is an estimate of its adoption as a concept.— Conservapedia - Recent changes [en]
For example, in two contiguous verses in the Epistle to the Hebrews, we read of His 'enduring contradiction of sinners against Himself,' and 'enduring the Cross, despising the shame,' in both of which cases we have the verb employed of which the noun is here used.— Expositions of Holy Scripture Second Corinthians, Galatians, and Philippians Chapters I to End. Colossians, Thessalonians, and First Timothy.
Used as a noun--you know what a noun is, don't you?— Skyrider

American Heritage Dictionary (1)
Century Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word about twice a week.