|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
Adler Ad·ler (äd'lər, ād'-), Alfred. 1870-1937.
Austrian psychiatrist. He rejected Sigmund Freud's emphasis on sexuality and theorized that neurotic behavior is an overcompensation for feelings of inferiority.