(1)特定の方法で落ちる、または流れる
(2)fall or flow in a certain way; "This dress hangs well"; "Her long black hair flowed down her back"
さらに詳しく
(1)不必要な要素を取り除く
(2)まばらにする
(3)remove unwanted elements
(4)make sparse; "thin out the young plants"