両手のくぼみ

両手のひらを合わせ、指を上に向けて少し丸めたときにできるくぼみ。数詞と共に量を表す語（ひとすくい）としても使い、比喩的に bir ochum で「一部の、少数の」の意味もある。

The hollow formed by joining both palms with the fingers slightly curled upward. Also a measure word (a double handful), and figuratively, with bir, 'a few, a small number of'.