MAR'ROW, noun 1. A soft oleaginous substance contained in the cavities of animal bones. 2. The essence; the best part. 3. In the Scottish dialect, a companion; fellow; associate; match. MAR'ROW, verb transitive To fill with marrow or with fat; to glut.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI