Definition of Solomon's seal
1
: any of a genus (Polygonatum) of perennial herbs of the lily family with tubular flowers and gnarled rhizomes
2
: an emblem consisting of two interlaced triangles forming a 6-pointed star and formerly used as an amulet especially against fever — compare hexagram
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Merriam-Webster unabridged
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Time Traveler for Solomon's seal
The first known use of Solomon's seal was in 1543
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