Charu is a sweet porridge-like foodstuff offered as ahuti (offering) in Yajna

Yajna

In Hinduism, yajna is a ritual of sacrifice derived from the practice of Vedic times. It is performed to please the gods or to attain certain wishes...

s.

The word also means one who is soft and graceful and is often used in the Ramayana

Ramayana

The Ramayana is an ancient Sanskrit epic. It is ascribed to the Hindu sage Valmiki and forms an important part of the Hindu canon , considered to be itihāsa. The Ramayana is one of the two great epics of India and Nepal, the other being the Mahabharata...

 for praising Lord Ram

Rama

Rama or full name Ramachandra is considered to be the seventh avatar of Vishnu in Hinduism, and a king of Ayodhya in ancient Indian...

. The word Charu is also used in a popular poem to describe the beauty of the moon-Charu chandra ki chanchal kirne khel rahi thi jal-thal mein. Charu is a popular name given to Hindu males and females and means good looking.

In Sanskrit

Sanskrit

Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

Charu is the name of a flower.