Definitions

1. adverb

at or on horseback; mounted on a horse or other animal

“He rode astride his horse, expertly navigating the steep terrain.”

2. noun

a person or thing situated or placed on or over something else

“The pedestrian was astride the fence, trying to take a shortcut.”

3. verb

to sit or be on horseback, especially to ride a horse

“She learned to astride a horse at a young age.”