Dictionary.net

• A kind of pack saddle used in the American military service and among the Spanish Americans. It is made of leather stuffed with hay, moss, or the like.

2010 - New Age Dictionary Database
By Oddity Software

• A kind of pack saddle used in the American military service and among the Spanish Americans. It is made of leather stuffed with hay, moss, or the like.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.