noun
graduation album; yearbook; classbook
Casual abbreviation of 卒業アルバム. Commonly used among students when referring to their school's graduation album or yearbook.
See also: 卒業アルバム
卒アルにみんなの寄せ書きを書いた。
I wrote messages from everyone in the graduation album.
卒アルを見ながら、高校時代を思い出した。
Looking at the yearbook, I remembered my high school days.