To the chief Musician
natsach (naw-tsakh')
to glitter from afar, i.e. to be eminent (as a superintendent, especially of the Temple services and its music)
A Psalm
mizmowr (miz-more')
instrumental music; by implication, a poem set to notes -- psalm.
of David
David (daw-veed')
loving; David, the youngest son of Jesse -- David.
The king
melek (meh'-lek)
a king -- king, royal.
shall joy
samach (saw-makh')
probably to brighten up, i.e. (figuratively) be (causatively, make) blithe or gleesome
in thy strength
`oz (oze)
strength in various applications (force, security, majesty, praise) -- boldness, loud, might, power, strength, strong.
O LORD
Yhovah (yeh-ho-vaw')
(the) self-Existent or Eternal; Jehovah, Jewish national name of God -- Jehovah, the Lord.
and in thy salvation
yshuw`ah (yesh-oo'-aw)
something saved, i.e. (abstractly) deliverance; hence, aid, victory, prosperity -- deliverance, health, help(-ing), salvation, save, saving (health), welfare.
how greatly
m`od (meh-ode')
vehemence, i.e. (with or without preposition) vehemently; by implication, wholly, speedily, etc.
shall he rejoice
giyl (gheel)
to spin round (under the influence of any violent emotion), i.e. usually rejoice, or (as cringing) fear -- be glad, joy, be joyful, rejoice.