Reference: Closet
Easton
as used in the New Testament, signifies properly a storehouse (Lu 12:24), and hence a place of privacy and retirement (Mt 6:6; Lu 12:3).
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"But you, when you pray, go into your inner room, close your door and pray to your Father who is in secret, and your Father who sees what is done in secret will reward you.
"Accordingly, whatever you have said in the dark will be heard in the light, and what you have whispered in the inner rooms will be proclaimed upon the housetops.
"Consider the ravens, for they neither sow nor reap; they have no storeroom nor barn, and yet God feeds them; how much more valuable you are than the birds!
Hastings
The Gr. word so rendered in NT properly denotes 'a store-chamber' as Lu 12:24 RV, then any inner or more private room as opposed to the living-room; so Mt 6:6; Lu 12:3 RV 'inner-chamber.' Cf. 1Ki 20:30; 22:25, lit. 'a chamber within a chamber,' and House,
See Verses Found in Dictionary
But the rest fled to Aphek into the city, and the wall fell on 27,000 men who were left And Ben-hadad fled and came into the city into an inner chamber.
Micaiah said, "Behold, you shall see on that day when you enter an inner room to hide yourself."
Gather the people, sanctify the congregation, Assemble the elders, Gather the children and the nursing infants Let the bridegroom come out of his room And the bride out of her bridal chamber.
"But you, when you pray, go into your inner room, close your door and pray to your Father who is in secret, and your Father who sees what is done in secret will reward you.
"Accordingly, whatever you have said in the dark will be heard in the light, and what you have whispered in the inner rooms will be proclaimed upon the housetops.
"Consider the ravens, for they neither sow nor reap; they have no storeroom nor barn, and yet God feeds them; how much more valuable you are than the birds!