Term: heartwood: the older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood
Broader: wood: the hard fibrous lignified substance under the bark of trees | Unrelated: nausea: disgust so strong it makes you feel sick
Broader: wood: the hard fibrous lignified substance under the bark of trees | Unrelated: breakfast time: the customary or habitual hour for eating breakfast
Broader: wood: the hard fibrous lignified substance under the bark of trees | Unrelated: record: anything (such as a document or a phonograph record or a photograph) providing permanent evidence of or information about past events
Broader: wood: the hard fibrous lignified substance under the bark of trees | Unrelated: medicago: a genus of herbs that resemble clover
Broader: wood: the hard fibrous lignified substance under the bark of trees | Unrelated: osteostraci: extinct group of armored fish-like vertebrates; taxonomy is not clear
Broader: wood: the hard fibrous lignified substance under the bark of trees | Unrelated: pelecanoididae: diving petrels
Broader: wood: the hard fibrous lignified substance under the bark of trees | Unrelated: corona: a long cigar with blunt ends
Broader: wood: the hard fibrous lignified substance under the bark of trees | Unrelated: prime time: the hours between 7 and 11 p.m. when the largest tv audience is available
Broader: wood: the hard fibrous lignified substance under the bark of trees | Unrelated: caricaturist: someone who parodies in an exaggerated manner
Broader: wood: the hard fibrous lignified substance under the bark of trees | Unrelated: australian bonytongue: a species of large fish found in Australian rivers