to take (in the widest variety of applications)
it of their half
a halving or the middle -- half (so much), mid(-day).
to give, used with greatest latitude of application (put, make, etc.)
it unto Eleazar
God (is) helper; Elazar, the name of seven Israelites -- Eleazar.
literally, one officiating, a priest; also (by courtesy) an acting priest (although a layman) -- chief ruler, own, priest, prince, principal officer.
for an heave offering
a present (as offered up), especially in sacrifice or as tribute -- gift, heave offering (shoulder), oblation, offered(-ing).
of the LORD
(the) self-Existent or Eternal; Jehovah, Jewish national name of God -- Jehovah, the Lord.