noun
caltrop; puncturevine; goathead
A plant (Tribulus terrestris) with spiny fruits, known by many English common names. In Japanese, usually written in katakana.
ハマビシは道端や砂地に生える植物です。
Puncturevine is a plant that grows on roadsides and sandy ground.
ハマビシの実はとげがあって、自転車のタイヤをパンクさせることがあります。
The fruit of the caltrop has spines and can puncture bicycle tires.
The name ハマビシ (浜菱) literally means 'beach water caltrop', from 浜 (hama, 'beach') and 菱 (bishi, 'water caltrop'), referring to its habitat and spiny fruit resembling the water caltrop.