also: こうせん
noun
technical college; institute of technology
A five-year post-secondary educational institution in Japan combining upper secondary and higher education, often specializing in engineering and technology. Commonly abbreviated as 高専 (こうせん).
彼は高等専門学校で機械工学を学んだ。
He studied mechanical engineering at a technical college.
高等専門学校は、中学校卒業後に入学できる5年制の学校です。
A technical college is a five-year school that students can enter after graduating from junior high school.