ORTHOCENTER
Etymology
Noun
orthocenter (plural orthocenters)
(geometry) The intersection of the three lines that can be drawn flowing from the three corners of a triangle to a point along the opposite side where each line intersects that side at a 90 degree angle; in an acute triangle, it is inside the triangle; in an obtuse triangle, it is outside the triangle.
Anagrams
• orthocentre
Source: Wiktionary
Or`tho*cen"ter, n. Etym: [Ortho- + center.] (Geom.)
Definition: That point in which the three perpendiculars let fall from the
angles of a triangle upon the opposite sides, or the sides produced,
mutually intersect.
Source: Webster’s Unabridged Dictionary 1913 Edition