7:5 And all the doors and posts were square, with the windows: and light was against light in three ranks.
7:21 And he set up the pillars in the porch of the temple: and he set up the right pillar, and called the name thereof Jachin: and he set up the left pillar, and called the name thereof Boaz.
Or, spaces and pillars were square in prospect.
7:48 And Solomon made all the vessels that pertained unto the house of the LORD: the altar of gold, and the table of gold, whereupon the shewbread was,
Jachin i.e. He shall establish.
Boaz i.e. in it is strength.
shewbread (See Scofield "Exodus 25:30")