堆高机

• 土(earth; soil; land)RADICAL
• 隹(short-tailed bird)PHONETIC

Piles of earth stacked on top of each other like a flock of birds perched crowded together on the ground.

• 高(tall; high; tower; tall building)ASSOCIATIVE

A tall tower reaching high is drawn with a roof, gate, and stacked foundation layers piled on top of each other.