n. & v.
n. 1 a line where two edges join, esp. of two pieces of cloth etc. turned back and stitched together, or of boards fitted edge to edge. 2 a fissure between parallel edges. 3 a wrinkle or scar. 4 a stratum of coal etc.
v.tr. 1 join with a seam. 2 (esp. as seamed adj.) mark or score with or as with a seam. bursting at the seams full to overflowing. seam bowler Cricket a bowler who makes the ball deviate by bouncing off its seam. seamer n. seamless adj.
[ OE seam f. Gmc ]