asterism
Concise Oxford English Dictionary © 2008 Oxford University Press:
asterism /ˈastərɪz(ə)m/
▶noun
- 1 Astronomy a prominent pattern or group of stars that is smaller than a constellation.
- 2 a group of three asterisks (⁂) drawing attention to following text.
– origin C16: from Gk asterismos, from astēr ‘star’.
'asterism' also found in these Oxford entries:

