As a noun excircle
is an escribed circle of a triangle; it lies outside the triangle and is tangent to one of its sides and to the extensions of the other two.
As a verb encircle is
to surround, form a circle around.
excircle
English
Noun
(
en noun)
(geometry) An escribed circle of a triangle; it lies outside the triangle and is tangent to one of its sides and to the extensions of the other two.
Related terms
* excentre, excenter
* incircle
encircle
English
Verb
(encircl)
To surround, form a circle around.
Derived terms
* encirclement