1. (noun)seam joint consisting of a line formed by joining two pieces
2. (noun)wrinkle, furrow, crease, crinkle, seam, line a slight depression in the smoothness of a surface "his face has many lines"; "ironing gets rid of most wrinkles"
3. (verb)seam, bed a stratum of ore or coal thick enough to be mined with profit "he worked in the coal beds"
4. (verb)seam put together with a seam "seam a dress"