ὀχύρωμα/ochurōma

This word is a type of thing. It is a noun.

This word can mean a stronghold or fortress. A stronghold or fortress is a place that people have constructed so that other people cannot attack it and the people inside it can be safe.
This word can mean something that is like a stronghold or fortress in some way.

See: 2 Corinthians 10:4