Noun

1. A folded back and stitched piece of fabric.
2. A suture.
3. A thin stratum, especially of coal or mineral.
4. The stitched equatorial seam of a cricket ball; the sideways movement of a ball when it bounces on the seam.
5. An old English measure of grain, containing eight bushels.
6. An old English measure of glass, containing twenty-four weys of five pounds, or 120 pounds.
   • 1952: As white glass was 6s. the 'seam', containing 24 'weys' (pise, or pondera) of 5 lb., and 2 1/2 lb. was reckoned sufficient to make one foot of glazing, the cost of glass would be 1 1/2d. leaving 2 1/2d. for labour. — L. F. Salzman, Building in England, p. 175.
7. (Construction) A joint formed by mating two separate sections of materials. Seams can be made or sealed in a varity of ways, includiong adhesive bonding, hot-air welding, solvent welding, using adhesive tapes, sealant, etc.

Verb

1. To put together with a seam.
2. To mark with a seam.
3. To crack open along a seam.
4. Of the ball, to move sideways after bouncing on the seam.
5. Of a bowler, to make the ball move thus.