LATIN DICTIONARYLexicon Latīnum
English → Latin

“intersection” in Latin

The English word intersection itself goes back to Latin secō, through intersectiō.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

intersection
sectio (general term, cutting): decussatio: decussis (intersection of two lines placed crosswise to each other): intersectio (only Vitr., hollow cat out between two elevations): incisura (place or point of itersection).

Quick answer

What is the Latin word for intersection?
The usual Latin words for “intersection” are sectiō, dĕcussātĭo, decussis; also intersectiō, incidō. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.