'Principal' in the Bible

Take thou also unto thee principal spices, of pure myrrh five hundred shekels, and of sweet cinnamon half so much, even two hundred and fifty shekels, and of sweet calamus two hundred and fifty shekels,

And Moses called to them; and they turned to him, Aaron and all the principal men of the assembly; and Moses talked with them.

And the principal men brought the onyx stones, and the stones to be set, for the ephod, and for the breastplate;