'Punctum' definitions:

Definition of 'punctum'

From: WordNet
noun
(anatomy) a point or small area

Definition of 'Punctum'

From: GCIDE
  • Punctum \Punc"tum\, n. [L., a point.] A point. [1913 Webster]
  • Punctum c[ae]cum. [L., blind point.] (Anat.) Same as {Blind spot}, under Blind.
  • Punctum proximum, near point. See under Point.
  • Punctum remotum, far point. See under Point.
  • Punctum vegetationis [L., point of vegetation] (Bot.), the terminal cell of a stem, or of a leaf bud, from which new growth originates. [1913 Webster]