Definition of "incidentally" []

• As a minor or subordinate matter: by profession a lawyer and incidentally a musician. (adverb)
• Apart from the main subject; parenthetically. (adverb)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "It is a title incidentally which, in the political sense, might well be applied to modern Turkey as a whole."
• "That front leaf, incidentally, is about as wide as my head."
• "This, incidentally, is an international bank headquartered (or at least once headquartered) in the Basque industrial city of Bilbao, Spain."