1.
Pants are a piece of underwear which have two holes to put your legs through and elastic around the top to hold them up round your waist or hips. (BRIT; in AM, usually use under~ )
I put on my bra and ~.
= knickers
N-PLURAL: also a pair of N
2.
Pants are a piece of clothing that covers the lower part of your body and each leg. (AM; in BRIT, use trousers )
He wore brown corduroy ~ and a white cotton shirt.
N-PLURAL: also a pair of N
3.
If you say that something is ~, you mean that it is very poor in quality. (BRIT INFORMAL)
The place is ~, yet so popular.
N-UNCOUNT
4.
If someone bores, charms, or scares the ~ off you, for example, they bore, charm, or scare you a lot. (INFORMAL)
You’ll bore the ~ off your grandchildren...
PHRASE: v PHR emphasis
5.
If you fly by the seat of your ~ or do something by the seat of your ~, you use your instincts to tell you what to do in a new or difficult situation rather than following a plan or relying on equipment.
PHRASE: V inflects
6.
to wear the ~: see wear