marrow (Hebrew #4221)

Job
21:24   His breasts
`atiyn (Hebrew #5845)
a receptacle (for milk, i.e. pail; figuratively, breast)
KJV usage: breast.
Pronounce: at-een'
Origin: from an unused root meaning apparently to contain
are full
male' (Hebrew #4390)
a primitive root, to fill or (intransitively) be full of, in a wide application (literally and figuratively)
KJV usage: accomplish, confirm, + consecrate, be at an end, be expired, be fenced, fill, fulfil, (be, become, X draw, give in, go) full(-ly, -ly set, tale), (over-)flow, fulness, furnish, gather (selves, together), presume, replenish, satisfy, set, space, take a (hand-)full, + have wholly.
Pronounce: maw-lay'
Origin: or malae (Esth. 7:5) {maw-law'}
of milk
chalab (Hebrew #2461)
milk (as the richness of kine)
KJV usage: + cheese, milk, sucking.
Pronounce: khaw-lawb'
Origin: from the same as 2459
, and his bones
`etsem (Hebrew #6106)
a bone (as strong); by extension, the body; figuratively, the substance, i.e. (as pron.) selfsame
KJV usage: body, bone, X life, (self-)same, strength, X very.
Pronounce: eh'tsem
Origin: from 6105
are moistened
shaqah (Hebrew #8248)
to quaff, i.e. (causatively) to irrigate or furnish a potion to
KJV usage: cause to (give, give to, let, make to) drink, drown, moisten, water. See 7937, 8354.
Pronounce: shaw-kaw'
Origin: a primitive root
with marrow
moach (Hebrew #4221)
fat, i.e. marrow
KJV usage: marrow.
Pronounce: mo'-akh
Origin: from the same as 4220
.