1. Eaves as the overhang of a roof:
* Antonym: Rooftop, gable, ridge (depending on the specific roof structure)
2. Eaves as the act of secretly listening to a conversation:
* Antonym: Openly listening, direct communication, transparency, honesty
3. Eaves as a plural of "eave," meaning "a margin" or "edge":
* Antonym: Center, interior, middle, core
Therefore, the most suitable antonym depends on the specific context of the word "eaves."