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A cafeteria or dining facility provided by a company for its employees to eat meals during work hours.
社員食堂は昼休みに混雑する
The company cafeteria gets crowded during lunch break.
Common in large corporations and offices in Japan, often offering subsidized or free meals to employees.
社員食堂 is often shortened to 社食 (shashoku) in everyday speech.
社員 (shain) = employee, 食堂 (shokudō) = dining hall
Often abbreviated as 社食 (shashoku) in casual conversation. Some companies offer free or discounted meals as a benefit.