crossette

noun

cross·​ette

(ˈ)krȯ¦set

plural -s

1

: a projection at a corner of the architrave of a door or window

called also ancon, ear, elbow

2

: a projection in a voussoir (as of a flat arch) fitting into a corresponding recess in the adjacent voussoir

Word History

Etymology

French crossette, diminutive of crosse crosier (pastoral staff)

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