Sai n. : See Capuchin, 3 (a).

Example:
How far will it take to reach Heaw Sai waterfall by foot from the entrance of Khao Yao Park?

Taxonomy
weapon, knuckle, defensive weapon, shaft, blade, yoku, free encyclopedia, versatility, fingers, thumb, strikes, villainess, popular culture, dagger, manji, design, the Japanese, index finger.

Defination from the web:
sai are round, while some reproductions have adapted an octagonal central shaft. ... In Malay the sai is known as a tekpi or Indonesia language as chabang (also spelled cabang or tjabang, meaning branch) and is thought to derive from the Indian trishula. ...