Tenaillon

• (n.) A work constructed on each side of the ravelins, to increase their strength, procure additional ground beyond the ditch, or cover the shoulders of the bastions.
Found on http://thinkexist.com/dictionary/meaning/tenaillon/

Tenaillon

Te·nail'lon noun [ French See Tenaille .] (Fort.) A work constructed on each side of the ravelins, to increase their strength, procure additional ground beyond the ditch, or cover the shoulders of the bastions.
Found on http://www.encyclo.co.uk/webster/T/25

Tenaillon

In fortifications a tenaillon is a work constructed on each side of the ravelins, to increase their strength, procure additional ground beyond the ditch, or cover the shoulders of the bastions.
Found on http://www.probertencyclopaedia.com/browse/FT.HTM
No exact match found