1) Clothes line 2) Clothing line 3) Fitting measurement 4) Glove feature 5) Haberdashery measurement 6) It runs down the leg 7) Jeans line 8) Jeans measure 9) Jeans measurement 10) Kind of shoe stitching 11) Leg line 12) Line down a pant leg 13) Line of clothing 14) Line of fashion 15) Line of trousers Found on https://www.crosswordclues.com/clue/inseam
In·seam' transitive verb [ imperfect & past participle Inseamed ; present participle & verbal noun Inseaming .] To impress or mark with a seam or cicatrix. Pope. Found on http://www.encyclo.co.uk/webster/I/67
an inside or inner seam of a garment, esp. the seam of a trouser leg that runs from the crotch down to the bottom of the leg. Found on https://www.infoplease.com/dictionary/inseam