greyhounds is a form of:

Greyhound



noun
1.
(A breed of tall, slender seift hound, famous for its grace and speed, used in racing and sometimes in hunting) ឆ្កែប្រដេញទន្សាយ, ឆ្កែញីសម្រាប់ប្រដេញ, ស្គមហើយខ្ពស់សម្រាប់ប្រណាំង
ENGLISH MEANING
noun
1.
A slender, graceful breed of dogs, remarkable for keen sight and swiftness. It is one of the oldest varieties known, and is figured on the Egyptian monuments.
2.
A swift steamer, esp. an ocean steamer.