The author's lacunous narrative left readers filling in crucial events between chapters.

The neurologist explained that the small lacune seen on the MRI was responsible for the patient's subtle motor deficits.

The archivist noted a lacunal passage in the ancient codex and hypothesized where the missing lines might fit.

The historian pointed out several lacunes in the archival records that complicated the reconstruction of the event.

The lacunate manuscript left scholars puzzled as they tried to fill in the missing historical details.