Figure (anatomy)
One's figure was the shape of one's body. It could be maintained through proper attention to diet and exercise. 

In 2372, Julian Bashir noted that Miles O'Brien's dress uniform showed off his figure, which O'Brien thanked him for saying. ()

In 2376, Deanna Troi accepted Reginald Barclay's offer of chocolate ice cream, but asked that he limited it to one scoop, as she was watching her figure. He then asked her why, saying she looked lovely. Deanna appreciated the compliment. ()
Anatomy