Lump
Mass, Bundle
The kanji and the word are exactly the same. That means they share meanings as well.
かたまり
The reading is the same as the one you learned with the kanji. Recognize this word? Na naaa na na na na na na naaa ♬.
店に入ると、カウンターにドンと置かれた肉の塊がまず一番に目についた。
When I went in the store the first thing I noticed was the lump of meat that was placed on the counter.