Merriam-Webster's Collegiate Dictionary (Eleventh Edition) is based on the world's largest collection of information about the way the English language is written and spoken in our time—a citation file of over 16 million examples of English words drawn from actual use, more than 1 million collected since the last edition. The volume also includes: well-drafted Definitions and Pronunciations, Extensive cross-referencing, Stories behind the words, Guidance on Synonyms and Usage, Examples of Contemporary Use, Clear and Informative Illustrations and Tables, Extensive Supplementary Back Matter, and Help in using the Dictionary.
“extending beyond the usual or ordinary especially in size or scope” (source)
“singular of be [Middle English, from Old English, w+s, 1st & 3d singular past indicative” (source)
“ the study or a theory of the nature and grounds of knowledge especially with reference to its limits and validity” (source)
“b: an act involving an unintentional deviation from truth or accuracy 〈made an error in adding up the bill〉” (source)
“a: application of the mental faculties to the acquisition of knowledge 〈years of study〉” (source)