langue de boeuf
noun
¦läŋdə¦bə(r)f,
-bə̄f
plural langues de boeuf
"
: a pike with a blade very wide at the head and tapering rapidly to a point used especially in the 15th century
also : a short sword or dagger of this shape
Word History
Etymology
Middle English lange de boef, from Middle French langue de bœuf, literally, ox tongue