SWINE (porcine)
Swine - commonly used to identify any member of the porcine family
Pig - most often used in reference to young animals
Hog - nearing market weight or finished for market, male or female
Barrow - castrated male
Gilt - young female that has never produced offspring
Boar - grown male with testicles
Sow - grown female that has produced offspring
Piglet - baby pig
"Shoat" - commonly used to identify pigs between 50 and 100 pounds