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 ]

a. [ L. sebum tallow: cf. F. sébacique. ] (Chem.) Of or pertaining to fat; derived from, or resembling, fat; specifically, designating an acid (formerly called also sebic, and pyroleic, acid), obtained by the distillation or saponification of certain oils (as castor oil) as a white crystalline substance. [ 1913 Webster ]

n. [ Heb. sh&ebreve_;bāt. ] The eleventh month of the ancient Hebrew year, approximately corresponding with February. W. Smith (Bibl. Dict.). [ 1913 Webster ]

n. (Chem.) A salt of sebacic acid. [ 1913 Webster ]

n. [ Ar. sebestān the tree: cf. Sp. sebesten. ] (Bot.) The mucilaginous drupaceous fruit of two East Indian trees (Cordia Myxa, and Cordia latifolia), sometimes used medicinally in pectoral diseases. [ 1913 Webster ]

☞ In the West Indies the name is given to the similar fruit of Cordia Sebestana. [ 1913 Webster ]

a. See Sebacic. [ Obs. ] [ 1913 Webster ]

a. [ L. sebum tallow + -ferous. ] 1. (Bot.) Producing vegetable tallow. [ 1913 Webster ]

2. (Physiol.) Producing fat; sebaceous; as, the sebiferous, or sebaceous, glands. [ 1913 Webster ]

a. [ L. sebum tallow + parere to bring forth. ] (Physiol.) Same as Sebiferous. [ 1913 Webster ]

‖n. [ NL., fr. L. sebum tallow + Gr. &unr_; to flow. ] (Med.) A morbidly increased discharge of sebaceous matter upon the skin; stearrhea. [ 1913 Webster ]