Glossary of North American horse racing

The following is a glossary of North American horse racing.
Additional glossaries at:

Glossary of [Australian and New Zealand punting]
Glossary of [equestrian terms]
Parimutuel betting#Parimutuel [bet types]
A

B

C

D

E

F

G

H

I

J

L

M

N

O

P

Q

R

S

T

U

W