A period piece is a work of art, such as a movie, novel, or play, that is set in a specific time period. The crossword solutions for the term period piece are EPOCH (5 letters), ERA (3 letters), OVUM (4 letters), and TAMPON (6 letters). An EPOCH is a long period of time in history, usually lasting several centuries. An ERA is a shorter period of time, typically lasting decades or centuries. An OVUM is a female reproductive cell, also known as an egg cell. A TAMPON is a plug of absorbent material inserted into the vagina to absorb menstrual flow.