| Answer | Crossword Clue |
|---|---|
| hang | to keep a telephone line open |
| hold | to keep a telephone connection open by not hanging up the receiver |
| deadlight | a strong shutter, made to fit open ports and keep out water in a storm |
| deadlights | DEADLIGHT, a strong shutter, made to fit open ports and keep out water in a storm |
| intubation | the introduction of a tube into an organ to keep it open, as into the larynx in croup |
| intubations | INTUBATION, the introduction of a tube into an organ to keep it open, as into the larynx in croup |
