lacuna Meaning, Definition & Usage

  1. noun a blank gap or missing part
    blank.
  2. noun an ornamental sunken panel in a ceiling or dome
    caisson; coffer.

WordNet

La*cu"na noun
Etymology
L., ditch, pit, lake, orig., anything hollow. See Lagoon.
Wordforms
plural L Lacunæ E Lacunas
Definitions
  1. A small opening; a small pit or depression; a small blank space; a gap or vacancy; a hiatus.
  2. (Biol.) A small opening; a small depression or cavity; a space, as a vacant space between the cells of plants, or one of the spaces left among the tissues of the lower animals, which serve in place of vessels for the circulation of the body fluids, or the cavity or sac, usually of very small size, in a mucous membrane.

Webster 1913