in anatomy, "of or pertaining to the back," late 14c., from Old French dorsal (14c.) or directly from Medieval Latin dorsalis, corresponding to Latin dorsualis "of the back," from dorsum "back," which is of uncertain origin. Related: Dorsally.
the dorsal fin is the vertical fin on the back of a fish and certain marine mammals
dormant
dormer
dormitory
dormouse
Dorothy
dorsal
dory
DOS
dosage
dose
do-si-do
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