דְּרוֹר (dĕrôr) is
a Hebrew noun
meaning swallow. It appears
2 times
in 2 books of the Hebrew Bible
(Strong's H1866).
Same Hebrew root (TWOT 454c)
Range of meaning (TWOT 454c)swallow; swift, kind of swallow
Full entry: Brown-Driver-Briggs and Strong's
דְּרוֹרnoun, feminine: swallow
Strong's H1866דְּרוֹר: the swift, a kind of swallow KJV:swallow.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 454: דררdrr — stream, flow abundantly; be abundant, luxuriant, elm; run vehemently, easily, swift; give light, shine, shining star, glistening, shining, pearls