With the arms spread wide for hugging or catching.
Dick stood under the window with open arms, and Jean dropped the bag of laundry down to him.
When Father came home from work, little Sally ran out to meet him with open arms.
With words or actions showing that you are glad to see someone; gladly, warmly, eagerly.
After his pioneering flight in the Friendship VII, Col. John Glenn was welcomed with open arms by the people of his hometown.
When Grandmother came to visit us at Christmas, we welcomed her with open arms.