English edit

Etymology edit

From French herse (a harrow).

Noun edit

hersillon (plural hersillons)

  1. (fortification) A beam with projecting spikes, used to make a breach impassable.

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 The imported definitions may be significantly out of date, and any more recent senses may be completely missing.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 hersillon”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)