I first encountered "anlace" in Chaucer spelled "anlass". Not in my dictionary, but easy to find
on Iternet. Here are three sites:

1.Hyper Dictionary - ... {Poniard}, {Stiletto}, {Bowie knife}, {Dirk}, {Misericorde}, {Anlace}. 2. (Print.) A
mark of reference in the form of a dagger [[dagger]]. ...
http://www.hyperdictionary.com/dictionary/dagger search within this site

2.http://www.cs.cmu.edu/afs/cs/usr/wbardwel/public/nfalist/people_v_mcjunkins.txt - ... An
"anlace" is a "tapering medieval dagger." Id. at 87. A "dirk" is commonly understood to mean a "long
straight-bladed dagger formerly carried esp. ...
http://www.cs.cmu.edu/afs/cs/usr/wbardwel/public/nfalist/people_v_mcjunkins.txt

3.Anlace - ... Anlace. “The Excursionist”, Auguste Renoir. 01 The mp directly in front of the KI. A
medieval dagger or short sword, worn in front of a person. ...
http://chesmayn.valuehost.co.uk/Anlace.htm