Definitions

1. noun

a genus of flowering plants in the family Zygophyllaceae, especially the puncture vine (Tribulus terrestris).

“The hikers had to be careful not to step on the tribulus that grew in the trail.”

2. noun

the puncture vine, Tribulus terrestris, whose spines can cause painful puncture wounds.

“The puncture wound from the tribulus hurt for days.”

3. noun

any of several other species of plants in the genus Tribulus.

“There are several species of tribulus native to tropical Africa.”