Lacuna

[Sarah]

A small opening; a small depression or cavity; a space, as avacant space between the cells of plants, or one of the spaces leftamong the tissues of the lower animals, which serve in place ofvessels for the circulation of the body fluids, or the cavity or sac,usually of very small size, in a mucous membrane.

[Sarah]

1. (Communication Arts / Printing, Lithography

[Agnes]

A [blank space], a missing part.
A person or a place, a connection or a [flame] that [slipped away]. Impossible to replace as nothing fits except Lacuna.

[Sommer]

A [bootlegged] [version] of of Lacun !

[Ernesto]

An unfilled space or interval; a gap.

[Couch Potatoe]

an absent part, especially in a book or other piece of writing