What does "depressed" mean?

Depressed: (Bot.) (a) Concave on the upper side; -- said of a leaf whose disk is lower than the border. (b) Lying flat; -- said of a stem or leaf which lies close to the ground.

Additional senses

  1. 2.(Zoöl.) Having the vertical diameter shorter than the horizontal or transverse; -- said of the bodies of animals, or of parts of the bodies.

Sources