予行練習 よこうれんしゅう Meanings Noun, する verb dry run; rehearsal See also: 予行演習 (よこうえんしゅう). Kanji 予 pre-. Read as ヨ. 行 go. Read as コウ. 練 practice. Read as レン. 習 learn. Read as シュウ. Jinuma: Japanese Dictionary · Word lists