Loomas was a term used to reference female breasts, typically those of humanoid females. ("Liars, Guns and Money - With Friends Like These...")
When John Crichton was experiencing strange game, he encountered Zhaan as a male. Zhaan tried to offer him a substance milked from one of his loomas, but Chiana realized that it was an acid before they could drink it. The other looma provided a healing substance. ("John Quixote")