1. plural of letterboxing; the practice of hiding small containers (letterboxes) in outdoor locations for others to find, similar to geocaching
Usage: recreational activity; primarily British English origin
2. plural of letterboxing; the display of a film or video in a format with black bars at the top and bottom to preserve the original aspect ratio
Usage: film and video technology

Examples

• The hiking club organized several letterboxings throughout the national park.
• She enjoys letterboxings as a weekend hobby, searching for hidden containers in the woods.
• Many DVD releases use letterboxings to maintain the director's original vision.
• The letterboxings on the Blu-ray version preserve the film's theatrical aspect ratio.
• Participants in letterboxings often create custom stamps to mark their finds.
• The streaming service offers letterboxings for classic films to protect their artistic integrity.