(sēm) noun
1. A visible line of junction between parts, especially the edges of two pieces of cloth sewn together.
2. A crack; fissure; rent.
3. A ridge made in joining two pieces or left by a mold upon a casting.
4. A scar or cicatrix; also, a wrinkle.
5. A thin layer or stratum of rock.
6. A suture.
—v.t.
1. To unite by means of a seam.
2. To mark with a cut, furrow, wrinkle, etc.
3. In knitting, to give the appearance of a seam to; purl.
—v.i.
4. To crack open; become fissured.
5. In knitting, to form seams. ♦ Homophone: seem. [OE sēam]
—seam′er noun

(sēm) noun Obs.
Any kind of grease; hence, fatness. ♦ Homophone: seem. [<OF saim, ult. <L sagina a fattening]