underbust

As a letter s

is the letter s with a.

As an adjective underbust is

(clothing) below the bust.

As a noun corset

is a woman's foundation garment, reinforced with stays, that supports the waistline, hips and bust.

As a verb corset

is to enclose in a corset; to wear a corset.

As an adjective underbust is

(clothing) below the bust.

As adjectives the difference between underbust and bustier

is that underbust is (clothing) below the bust while bustier is (busty).

As a noun bustier is

a tight-fitting women's top, frequently strapless, worn either as an undergarment or as outerwear.

In clothing|lang=en terms the difference between underbust and overbust

is that underbust is (clothing) below the bust while overbust is (clothing) above the bust.

As adjectives the difference between underbust and overbust

is that underbust is (clothing) below the bust while overbust is (clothing) above the bust.

As an adjective underbust

is (clothing) below the bust.

As a noun underbutt is

the lower part of the buttocks, as revealed by certain clothing such as skimpy shorts.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective underbust is

(clothing) below the bust.