from
The Collaborative International Dictionary of English v.0.48
Sebaceous \Se*ba"ceous\, a. [NL. sebaceus, from L. sebum tallow,
grease.] (Physiol.)
Pertaining to, or secreting, fat; composed of fat; having the
appearance of fat; as, the sebaceous secretions of some
plants, or the sebaceous humor of animals.
[1913 Webster]
{Sebaceous cyst} (Med.), a cyst formed by distention of a
sebaceous gland, due to obstruction of its excretory duct.
{Sebaceous glands} (Anat.), small subcutaneous glands,
usually connected with hair follicles. They secrete an
oily semifluid matter, composed in great part of fat,
which softens and lubricates the hair and skin.
[1913 Webster]