1. Distance southward from any point departure or of reckoning, measured on a meridian 
2. Tendency or progress southward
   "the southing of the sun"

Derived forms: southings

• hydrocarbon
• hydrocele
• hydrocephalic
• hydrocephalus
• hydrocephaly
• Hydrocharidaceae
• Hydrocharis
• Hydrocharis morsus-ranae
• Hydrocharitaceae
• hydrochloric
• hydrochloric acid
• hydrochloride
• hydrochlorofluorocarbon
• hydrochlorothiazide
• Hydrochoeridae
• Hydrochoerus
• Hydrochoerus hydrochaeris
• hydrocolloid
• hydrocortisone
• Hydrocortone
• hydrocracking
• hydrocyanic
• hydrocyanic acid
• Hydrodamalis
• Hydrodamalis gigas