footnote
//ˈfʊtˌnoʊt//
Noun
footnoteSingular
footnotesPlural
1
An explanatory or supplementary note placed at the bottom of a page in a book or document, typically referenced by a number or symbol in the main text.
The author added a footnote to explain the historical context.
2
Something that is of minor or secondary importance; an afterthought or insignificant detail.
His contribution to the project was just a footnote in the company's history.
Synonym
Verb
1
To add a footnote or footnotes to a text or document.
The editor asked me to footnote all the quotations in my article.