[foo
t-noht] 
noun, verb, -not⋅ed, -not⋅ing.| 1. | an explanatory or documenting note or comment at the bottom of a page, referring to a specific part of the text on the page. |
| 2. | a minor or tangential comment or event added or subordinated to a main statement or more important event. |
| 3. | to add a footnote or footnotes to (a text, statement, etc.); annotate: to footnote a dissertation. |
| foot·note (fŏŏt'nōt') n.
To furnish with or comment on in footnotes. |
footnote