Doorpost (noun)

1. Either of the vertical supports at the side of a door frame into which the hinges are fixed.
2. A pillar or column serving as a support.

Origin:

Mid 16th century: from door + post.

Examples:

1. He leaned against the doorpost, exhausted from all the moving.
2. She hung a wreath of flowers on the doorpost for the holiday.
3. The doorpost was adorned with intricate carvings.
4. The doorpost was sturdy enough to support the weight of the heavy door.
5. She looked around the room and noticed that all the doorposts were made of oak.