'星' is sometimes used as an abbreviation for Singapore.
natural satellite; moon · artificial satellite
meteor; shooting star; falling star
constellation · astrological sign; star sign; zodiac sign
comet
fixed star; star
planet
nova · rising star; new face
star badge; star medal
star cluster
the Big Dipper; the Plough; the Plow
star map; star chart
giant star · great person; giant; superstar; big-shot
dwarf star
nine traditional astrological signs in Onmyōdō
Halley's Comet
neutron star
commander; military leader
morning star; Venus
starry night; starlight night
years; passage of time
nebula · galaxy (obsolete)
the Big Dipper; the Plough; the Plow
primary star
the five planets (ancient Chinese astronomy) · five stars
companion star
star of bad omen; ill-omened star
astrology
amphiaster; diaster · double star; visual double
temporary celestial body; guest star
The kanji 星 means 'star'. The reading せい is the on'yomi. The abbreviation for Singapore comes from the Chinese-derived name 星加坡.