What is the meaning of 七夕?

(~節) Qixi Festival (the Chinese Valentine's Day, which falls on the seventh day of the seventh lunar month)

a type of loom

a type of weaving

by extension, a weaver

any extremely rare visit, or the person so visiting

the Tanabata Japanese star festival, observed on 7 July

the Tanabata Japanese star festival, observed on 7 July

the Chinese Qīxī Festival, also sometimes referred to as the Double Seventh Festival

hanja form of 칠석 (Qixi)

chữ Hán form of Thất Tịch (Qixi).

Source: wiktionary.org