Poosam is the eighth birth star among 27 Nakshatram in Hindu
Jyothisha or astrology. In Malayalam Jyothisham, Poosam occurs is Karka Rashi.
Poosam Nakshatra is known as Pooyam in Malayalam.
The term Poosam is used in Tamil Nadu. In most regions, the
Nakshatra is known as Pushya. In Andhra Pradesh and Telangana, the Nakshatra is
also known as Pushyami.