also: れいしゅ
Sake served chilled, without heating. The reading ひやざけ is everyday; れいしゅ is more formal or used in writing/menus.
Cold sake is delicious in summer.
The menu said 'cold sake (reishu).'
Standard kanji spelling for cold sake; also read れいしゅ in more formal or menu contexts.
Sino-Japanese reading; often used in formal settings, restaurant menus, or when contrasting with 熱燗 (atsukan).
Explicit spelling that includes the okurigana や, making the reading ひやざけ unambiguous.
Compound of 冷 (cold) and 酒 (sake). The reading ひやざけ is a native Japanese reading, while れいしゅ is the Sino-Japanese reading.