cinch

US /sɪntʃ/
UK /sɪntʃ/
"cinch" picture
1.

an extremely easy task

:
Learning to ride a bike was a cinch for him.
The exam was a cinch; I finished it in half the time.
2.

a strap or band that holds a saddle or pack on a horse or other animal

:
He tightened the cinch around the horse's belly.
Make sure the cinch is secure before you ride.
1.

to fasten (a saddle or pack) on a horse or other animal with a cinch

:
He carefully cinched the saddle onto the horse.
Make sure to cinch the pack tightly so it doesn't shift.
2.

to make something certain or secure

:
This new contract will cinch the deal for us.
His strong performance will cinch his spot on the team.