Erect

A wyvern erect

1. Placed upright or perpendicularly; sometimes applied to the eagle in the rampant position; also to the wyvern or two-legged monsters in the rampant position, as well as sea monsters when the top half is rampant and the bottom half coiled in a loop.

See Sea Creatures and Monsters

2. Said of a serpent represented as the letter S reversed, in the attitude of striking.

See  Serpents

3. Any item placed palewise.