一山 ひとやま Also written ひと山 Meanings Noun one mountain pile (of something); heap; lot (in sale) hump; worst part large profit; killing See also: 一山当てる (ひとやまあてる). Kanji 一 one. Read as ひと. 山 mountain. Read as やま. Example sentences 一山当てたんだよ。I hit the jackpot. Common phrases 一山当てる (ひとやまあてる) to be right on target Words containing 一山 一山当てる (ひとやまあてる) to be right on target 一山越す (ひとやまこす) to go over the hump 一山いくら (ひとやまいくら) dirt cheap Jinuma: Japanese Dictionary · Word lists