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The Collaborative International Dictionary
Killesse

Killesse \Kil*lesse"\, n. [Cf. Coulisse.] (Arch.)

  1. A gutter, groove, or channel.

  2. 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.