Meaning

• To show up; to appear suddenly or unexpectedly.

  "I don't like people turning up without an appointment."

• To cause to appear; to find by searching, etc.

  "I spent hours in the archives, but couldn't turn up anything on the alleged criminal."

• To increase the amount of something by means of a control, such as the volume, heat, or light.

  "Turn up the radio and sing along."

• To reposition by rotating, flipping, etc. upwards.

  "He turned up his collar against the cold."

• To belay or make fast a line on a cleat or pin.

  "Turn up the main halyard."

• To party hard, especially when involving alcohol or drugs.

  "We're going to turn up at the concert tonight."

Meaning

• Fabric turned up at the bottom of trousers to make them shorter.

  "Why does all this fluff acumulate in the turn-ups?"

• A fight or disturbance.

• The next card taken from the top of a pack of cards and displayed.

  "I'll bet $10 that the next turn-up is an ace."

• A stroke of good luck; something that appears unexpectedly; especially in turn up for the book.