Definitions

1. noun

a horse with a long, stiff tail, typically a male horse with a high tail carriage

“The bucktail horse won first prize at the rodeo.”

2. noun

a tail or feather of a buck deer, used as a decoration or in a hat

“The veteran wore a bucktail hat during the parade.”

3. noun

a member of a group of 7th Cavalry Regiment soldiers who fought in the Battle of Beecher Island in 1868 and were known for wearing bucktail hats

“The bucktail veterans of the 7th Cavalry Regiment were honored at the ceremony.”