simple past tense and past participle of pose
"The photographer asked the model to stand still so he could snap a photo while she posed."
In plain English: To pose means to stand or sit still for someone else to take your picture.
"The model posed for photographs in front of the Eiffel Tower."
arranged for pictorial purposes
"The model stood perfectly still while the photographer directed her to pose on the beach."
Firm; determined; fixed.
"The statue stood posed in an eternal stance, its features carved with a firm and unyielding determination."