Disposition, principles, humour. Of a strange kidney; of an odd or unaccountable humour. A man of a different kidney; a man of different principles.
·noun A <<Waiter>>. II. Kidney ·noun Habit; disposition; sort; kind. III. Kidney ·noun A glandular...
Webster's Dictionary of the English Language
Men of the same kidney, i.e. of a similar disposition. ...
The Sailor's Word-Book
·adj ·Alt. of Kidney-shaped. ...
·adj Having the form or shape of a kidney; reniform; as, a kidney-shaped leaf. ...