The most common and most likely answer to this crossword clue is the 6 letter word HALTER
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More clues leading to the result HALTER
Buddy explains!
The straight part
We know that "One who stops/item of equestrian tack" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one who stops/item of equestrian tack = halter.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does HALTER mean?
HALTER noun- A bitless headpiece of rope or straps, placed on the head of animals such as cattle or horses to lead or tie them.
- A rope with a noose, for hanging criminals; the gallows rope.
- A halter top.
- To place a halter on.
- One who halts or limps; a cripple.
- A small knobbed structure in some two-winged insects, one of a pair that are flapped rapidly and function as accelerometers to maintain stability in flight.