Definition of kerns:
(v) :
(typography, chiefly proportional font printing) To adjust the horizontal space between selected pairs of letters (characters or glyphs); to perform such adjustments to a portion of text, according to preset rules.
(n) :
(hot metal printing, typography) Any part of a letter which extends into the space used by another letter.
(n) :
A churn.
(n) :
(obsolete or dialect) A corn; grain; kernel.
(n) :
(obsolete or dialect) The last handful or sheaf reaped at the harvest.
(n) :
(obsolete or dialect) The harvest home.