ken

Short definition from Wiktionary

Verb

1. 1
   To give birth, conceive, beget, be born; to develop (as a fetus); to nourish, sustain (as life).
2. 2
   To know, perceive or understand.
3. 3
   To discover by sight; to catch sight of; to descry.

Noun

1. 1
   Range of perception.
2. 2
   Knowledge, perception, or sight.
3. 3
   Range of sight.
4. 4
   A house, especially a den of thieves.
5. 5
   Youth or children's group.
6. 6
   A Japanese unit of length equal to six shakus.
7. 7
   The tsurugi (type of sword).

Proper noun

1. 1
   A diminutive of the male given name Kenneth.
2. 2
   Kensington in London.
3. 3
   A surname.