A key in the hash table of a ring which is used to store the (Lie theoretic) weights of the variables of the ring. Set this using the setWeights command.
The object LieWeights is a symbol.
The source of this document is in /build/macaulay2-88fgJW/macaulay2-1.25.11+ds/M2/Macaulay2/packages/HighestWeights/doc.m2:69:0.