also: わたくしあて
noun which may take the genitive case particle 'no', noun
addressed to me; for me
Used on envelopes, packages, or messages to indicate that something is directed to the speaker. Often seen as 私宛に or 私宛の.
この封筒には私宛と書いてある。
This envelope says 'addressed to me'.
私宛の郵便物は机の上に置いてください。
Please put mail for me on the desk.
宛 is a suffix meaning 'addressed to'; 私宛 specifically means 'addressed to me'.
Compound of 私 (わたし, 'I') and 宛 (あて, 'addressed to').