1. the seam on the inside of the leg of a pair of pants, or the measurement of this seam from the crotch to the bottom of the leg

Examples

• The tailor measured my inseam to hem the pants properly.
• These jeans have a 32-inch inseam.
• I need to find pants with a shorter inseam since I’m not very tall.
• The inseam on these trousers is too long for me.
• When buying pants online, always check the inseam measurement.
• The store clerk helped me find jeans with the right inseam length.