The word SELAH is found in two books of the Bible, but is most prevalent in the Psalms, where it appears 71 times. It also appears three times in the third chapter of the minor prophet Habakkuk.
This is a complex Hebrew word.
One definition of SELAH is "A DIVISION"
One definition of SELAH is "TO HANG" or "TO WEIGH"
One definition of SELAH is "TO PRAISE" or "TO LIFT UP"
One definition of SELAH is a musical notation "TO REST"
One definition of SELAH is "TO PAUSE AND THINK"
All of these combined are right. It is like God is saying after making a statement, "Now just stop, be still a moment, think on what I just said, weight the magnitude of it and then lift up your hands and praise me."
We would stop and say today, "What do you think of them apples?"
Here is an example: Read it, stop, be still and think about it, weigh it out for what God said, than lift your hands and praise Him.
Psalms 66:1-4 ESV To the choirmaster. A Song. A Psalm. Shout for joy to God, all the earth; (2) sing the glory of his name; give to him glorious praise! (3) Say to God, “How awesome are your deeds! So great is your power that your enemies come cringing to you. (4) All the earth worships you and sings praises to you; they sing praises to your name.” Selah
SELAH-Huh, what do you think about those beans