Around noon; approximately around the midday time (short for 'around noon'). Common in daily conversation.
昼頃に駅で待ち合わせしましょう。
Let's meet at the station around noon.
会議は昼頃に終わる予定です。
The meeting is scheduled to end around noon.
昼頃になると店が混み始めた。
By around noon the shop began to get crowded.