1
- a small amount of food eaten between meals（两餐之间的）点心, 小吃。
1.1
- a light meal that is eaten in a hurry or in a casual manner快餐。
1.2
- Austral. informal a thing that is easy to accomplish〈澳, 非正式〉容易办到的事：
it'll be a snack.
这是小菜一碟。
词源
Middle English （originally in the sense 'snap, bite'）： from Middle Dutch snac(k), from snacken 'to bite', variant of snappen. Senses relating to food date from the late 17th cent.