# Mamre

This was the name of the man who owned the oak trees.

# in the tent doorway

"at the opening of the tent" or "at the entrance of the tent"

# heat of the day

"hottest time of day"

# He looked up and, behold, he saw three men standing

"He looked up and saw, and behold, three men were standing"

# behold

"suddenly." The word "behold" here shows us that what follows was surprising to Abraham.

# across from him

"nearby" or "there." They were near him, but far enough away for him to run to them.

# bowed

This means to bend over to humbly express respect and honor toward someone.