What is the meaning of Bijou?

A jewel.

A piece of jewelry; a trinket.

A small intricate piece of metalwork.

Small; little.

Small and elegant.

Intricate; finely made.

third-person plural present indicative of bít

a piece of jewelry, often specifically with fake gems

a piece of jewelry

Bijou bottle, a small vial used in laboratories

Source: wiktionary.org