lacuna
noun /ləˈkjuːnə/
/ləˈkjuːnə/, /ləˈkuːnə/
(plural lacunae
(formal) /ləˈkjuːniː/
/ləˈkjuːniː/, /ləˈkuːniː/
, lacunas)- a place where something is missing in a piece of writing or in an idea, a theory, etc. synonym gapWord Originmid 17th cent.: from Latin, ‘pool’, from lacus ‘lake’.