batement light

English

Noun

batement light (plural batement lights)

1. (architecture) A window or one division of a window having vertical sides, but with the sill not horizontal, as where it follows the rake of a staircase.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “batement light”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)