星座（せいざ、seiza）
- constellation

The Japanese word 星座 (せいざ, seiza) means "constellation." It refers to a group of stars that appear to form a pattern in the night sky. These patterns are often associated with mythological figures, animals, or objects. The study of 星座 is called astronomy.

⚫︎ 今夜は美しい星座が見える Translation: I can see beautiful constellations tonight. ⚫︎ あなたの星座は何ですか？ Translation: What is your star sign (constellation)? ⚫︎ 天文学者は新しい星座を発見した Translation: The astronomer discovered a new constellation.

You use 星座 when you want to talk about constellations. It’s a common word used in astronomy, astrology, and casual conversation when discussing the night sky. You can use it to identify specific constellations or talk about your zodiac sign (which is also based on constellations).

The word is typically written using the kanji 星座. The reading is せいざ in hiragana. There is no other way to write this word. Okurigana is not applicable here.

There are no direct synonyms for the word 星座. However, the term "star sign" or "zodiac sign" (which relates to the constellation one is born under) can be somewhat related depending on context.

There are no direct antonyms for 星座.

夏の夜空には、たくさんの星座を見ることができます ・Translation: You can see many constellations in the summer night sky. ・Explanation: This sentence describes the abundance of constellations visible during summer nights, highlighting the usage of 星座 in describing the night sky.

彼女は星座占いが好きです ・Translation: She likes horoscope readings. ・Explanation: This sentence demonstrates how 星座 is used in relation to astrology and horoscopes.

The word 星座 is a compound word. The first character, 星 (ほし, hoshi), means "star." The second character, 座 (ざ, za), means "seat," "position," or "place." The combination suggests "a seat or position of stars," referring to the grouping of stars that make up a constellation.