Ken appeared on the English horizon in the 16th century referring to the distance bounding the range of ordinary vision at sea (about 20 miles), and would thus have been familiar to skippers …

Ken definition: knowledge, understanding, or cognizance; mental perception.. See examples of KEN used in a sentence.

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1. knowledge or understanding: an idea beyond one's ken. 2. range of sight or vision.

In this context, the phrase is infelicitous : ' beyond one's ken ', in its ordinary usage, means beyond one's powers of comprehension.

Ken in American English (ken) noun a male given name, form of Kendall or Kenneth

Oct 19, 2025 · ken (third-person singular simple present kens, present participle kennin, simple past kent, past participle kent) (transitive) To know, perceive or understand.

Definition of ken noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

There are six meanings listed in OED's entry for the noun ken, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Ken (ken), n. a male given name, form of Kendall or Kenneth. Ken., Place Names Kentucky.