abbr.

1. = programmable read-only memory 可編程唯讀記憶體

n.

1. 【英】【口】（聽眾可任意走動的）逍遙音樂會
2. 【英】海濱散步道
3. 【美】【口】（學校的）班級舞會

n.

1. Brit. short for promenade (in sense ¹).
2. (also Prom) Brit. a promenade concert.
3. N. Amer. a formal dance, especially one at a high school or college.