Θέμα

1. subject, main topic (of conversation, etc)
2. affair
3. (music) theme
4. (linguistics) stem
5. theme, the regional unit of government of the Byzantine empire.

1. That which is placed or laid down.
   1. Money deposited; (of grain) deposit; treasure.
   2. (of loaves) Pile.
   3. Coffer. Synonym: θήκη (thḗkē)
   4. (of land) Position, situation.
   5. (astrology) Nativity, horoscope.
   6. Common burial place or common land; private burial ground.
2. Something proposed as a prize.
3. Case proposed for discussion, theme of an argument.
   1. Proposition, premiss.
   2. (law) Case.
   3. Arbitrary determination.
   4. (grammar) Primary (nonderivative) element or form.
   5. (logic, Stoic) Mode of reduction of an irregular syllogism.
4. A Theme, the regional unit of government of the Eastern Roman/Byzantine empire approximately from the 7th to the 11th century.