Brown-Driver-Briggs
I.
אוֺרָה noun feminine light (late, Mishna
id., compare Aramaic
אוּרְתָּא evening-light, moon-light, star-light, etc.)
1 light (opposed to חֲשֵׁיכָה) Psalm 139:12.
2 light of joy & happiness Esther 8:16; plural intensive אוֺרוֺת light of life Isaiah 26:19 (light that quickens dead bodies as dew the plants Ew Hi De Che Di RVm; see BrMP 303 compare אוֺר חַיִּים; but Ki Ges MV Bö RV translate herbs).
II. [אוֺרָה] noun feminine herb (so Mishna, Ges compare נצץ, Arabic 
= lights & flowers, & Samaritan יאר = דֶּשֶׁא of Genesis 1:11,12) only plural אוֺרוֺת herbs 2 Kings 4:39 (compare Isaiah 26:19 above below I. אוֺרָה).
