Hull
The top part of a wave is called the crest, while the bottom part is called the trough.
The top part of a tornado is called "the top"
Starting from the top: a halo, a football, a red and white scarf, a tree, the sea, a white flower and at the bottom is written Southampton F.C
If you refer to their strip its a red top and white shorts
The top part of a fraction is the numerator; the bottom part is the denominator.
The bottom part of your hand is the Palmar sideand the top part is the Dorsal side.
The top part of a shirt is called the collar. It is the part that goes around the neck area.
Denominator. The top part is called the numerator.
The top part of a wave is called the crest. It is the highest point of the wave above the rest position.
The top part of a shoe that covers the toes and the top of the foot is called the "upper." It is typically made of various materials such as leather, canvas, or synthetic fabrics.
The top part of a stalk would be the terminal bud or leaf.