塊

Kanji: 塊
Level: N1
Meaning: lump, clump
On'yomi: カイ
Kun'yomi: かたまり
Strokes: 13
Common compounds: 金塊 (きんかい) gold ingot 塊 (かたまり) lump
Memory hook: Earth/soil (土) packed together into a solid lump.