spring season
A somewhat formal or written word for the season of spring, often used attributively in compounds such as 春季大会, 春季キャンプ, and 春季休暇.
The spring tournament is held in April.
Professional baseball spring training camp began in Okinawa.
I take part in the spring session of lessons.
春季 refers to the spring season in formal contexts, while 秋季 is the corresponding term for the autumn season, both used in compounds like 春季大会 and 秋季大会.
春季 and 春期 are both read しゅんき, but 春季 refers to the spring season itself while 春期 refers to a spring term or period (as in an academic or fiscal term).
A Sino-Japanese compound written with 春, meaning spring, and 季, meaning season. The spelling directly reflects the meaning 'spring season.'