The word of the day for December 14 from  Wordsmith.org is ensiform, meaning sword-shaped, which is a potentially useful work for patent prosecutors, and in fact has been useful to at least a few:

U.S. Patent No. 9,061,129:Col. 15: 21-25.  U.S. Patent No. 5,489,406:

Col. 3, lns. 36-47.  Lastly, U.S. Patent No. 5,460,842:

Col. 8, lns. 7-18 is a virtual thesaurus for words describing stabby things.  The English language is so rich in descriptive words that patent drafters don’t always have to make up their own.