The Collaborative International Dictionary
Killesse
Killesse \Kil*lesse"\, n. [Cf. Coulisse.] (Arch.)
A gutter, groove, or channel.
A hipped roof. [Prov. Eng.]
--Parker.
Wiktionary
killesse
n. 1 (context architecture obsolete English) A gutter, groove, or channel. 2 (context UK dialect obsolete English) A hip roof.