Term: pericardium: a serous membrane with two layers that surrounds the heart
Broader: thing: a separate and self-contained entity | Unrelated: genus agapanthus: small genus of South African evergreen or deciduous plants; sometimes placed in the family or subfamily Alliaceae
Broader: thing: a separate and self-contained entity | Unrelated: booster: a thief who steals goods that are in a store
Broader: thing: a separate and self-contained entity | Unrelated: blunt file: a file with parallel edges
Broader: thing: a separate and self-contained entity | Unrelated: pongo: type genus of the family Pongidae: orangutans
Broader: thing: a separate and self-contained entity | Unrelated: deadwood: a branch or a part of a tree that is dead
Broader: thing: a separate and self-contained entity | Unrelated: epigastric vein: veins serving the anterior walls of the abdomen
Broader: thing: a separate and self-contained entity | Unrelated: natural phenomenon: all phenomena that are not artificial
Broader: thing: a separate and self-contained entity | Unrelated: black rat: common household pest originally from Asia that has spread worldwide
Broader: thing: a separate and self-contained entity | Unrelated: habit: attire that is typically worn by a horseback rider (especially a woman's attire)
Broader: thing: a separate and self-contained entity | Unrelated: television equipment: electronic equipment that broadcasts or receives electromagnetic waves representing images and sound