interj.
An exclamation expressive of sorrow, pity, or apprehension of evil; -- in old writers, sometimes followed by day or white; alas the day, like alack a day, or alas the white. →
adv.
Otherwise; otherwise called; -- a term used in legal proceedings to connect the different names of any one who has gone by two or more, and whose true name is for any cause doubtful; as, Smith, alias Simpson. →
n.
The third of the four pieces forming the upper part of a thoracic segment of an insect. It follows the scutum, and is followed by the small postscutellum; a scutella. See Thorax. →