Hebrew and Greek Strong's Dictionary with all the definitions plus combined with every place that word is used in the definitions.
Complete index of every word used in both the Hebrew and Greek Strong's Dictionary in English Word order.
Hebrew and Greek Expanded Dictionary
firmament 07549 ## raqiya` {raw-kee'- ah} ; from 07554 ; properly , an expanse , i . e . the firmament or (apparently) visible arch of the sky : -- {firmament} .
firmament 07834 ## shachaq {shakh'- ak} ; from 07833 ; a powder (as beaten small) : by analogy , a thin vapor ; by extension , the {firmament} : -- cloud , small dust , heaven , sky .