associate degree; associate of arts
Refers to a two-year post-secondary degree, roughly equivalent to an associate degree in the US. Used in educational contexts.
彼女は短期大学で準学士の学位を取得した。
She earned an associate degree at a junior college.
From 準 (jun, 'quasi-') + 学士 (gakushi, 'bachelor's degree'), literally 'quasi-bachelor'.