Piggy bank and Reserves

Piggy bank noun - A child's coin bank (often shaped like a pig).

Reserves and piggy bank are semantically related. in saved money topic. In some cases you can use "Reserves" instead a noun phrase "Piggy bank".

Reserves noun - Civilians trained as soldiers but not part of the regular army.

Piggy bank and reserves are semantically related. You can use "Piggy bank" instead a noun "Reserves".