one seat; one sitting; a gathering; a speech
Used as a counter for seats, sittings, or events such as a meal, party, or speech. Often appears in phrases like 一席設ける (to hold a dinner/party) or 一席ぶつ (to make a speech).
We plan to hold a dinner tonight to entertain our guests.
He made a speech at the banquet.
give a speech; deliver an address
long talk; lengthy speech
Compound of 一 (one) and 席 (seat, gathering). The extended meanings of 'feast' and 'speech' come from the idea of one sitting or one occasion.