triangular

The evergreen perennial’s triangular leaves are tipped with spirals, a primordial motif suggesting life’s eternal cycles.

The Scarborough Shoal, a triangular chain of reefs and rocks, has been a flashpoint between the two countries since China seized it in 2012.

The Swiss chocolate bar's distinctive triangular shape is thought to have been inspired by the Matterhorn in the Alps - a silhouette of which appears on the packaging - though its true origins remain unclear.

“This new triangular relationship is going on in all of Latin America.”

Think of the toddler's classic hammer-and-bench toy, with square, circular, triangular and star-shaped wooden pegs that can each only fit in the correspondingly shaped hole in the bench.