What does 片～ mean?
片～ is a Japanese noun meaning “single ~” in English. It is written as 片～ in kanji, かた～ in hiragana, and kata～ in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
「片道ですか？往復ですか？」「片道をお願いします」
"One way or round trip?" "One way, please."