Anat. [f. Spigeli-us (see prec. and def.) + -AN.] Spigelian lobe, a term for the middle lobe of the liver, first particularized by Spigelius (Mayne).
1811. in R. Hooper, Med. Dict., s.v.
1905. H. Rolleston, Dis. Liver, 4. Davy described a pedunculated Spigelian lobe. Ibid., 200. One of the smaller lobes, such as the spigelian or caudate, may be enlarged.
