To act as an informer; denounce.
To give form or character to; to inspire (with a given quality); to affect, influence (with a pervading principle, idea etc.).
To communicate knowledge to.
To impart information or knowledge.
Without regular form; shapeless; ugly; deformed.
To keep safe; to defend; to guard; to prevent harm coming to.
To book a passenger on a later flight if there is a chance they will not be able to board their earlier reserved flight.