Ma'arif al-Qur'an Tafsir: Al-Waqi'ah Ayah 36

أَبْكَارً‌ا - 56:36). The word abkaran, being the plural of bikr, means 'virgins'. The sense is the creation of the maidens of Paradise will be of such a nature that, even after every sexual intercourse, they will remain like virgins.