\Hi"lum\, n. [L., a little thing, trifle.]
1. (Bot.) The eye of a bean or other seed; the mark or scar
   at the point of attachment of an ovule or seed to its base
   or support; -- called also {hile}.
2. (Anat.) The part of a gland, or similar organ, where the
   blood vessels and nerves enter; the hilus; as, the hilum
   of the kidney.