1.AdjectiveHaving the shape of a [stylized or symbolic] star (with radiating points).
2.Adjectiveof a subset S of a vector space, containing a point
x
0
{\displaystyle x_{0}}
such that the connecting line from
x
{\displaystyle x}
to
x
0
{\displaystyle x_{0}}
is entirely in
S
{\displaystyle S}
, for every
x
∈
S
{\displaystyle x\in S}