What is meant by "touch" in this hadith?

This hadith from al-Tabaraani in al-Kabeer: > It was narrated that Ma’qil ibn Yassaar said: the Messenger of Allaah (peace and blessings of Allaah be upon him) said: “For one of you to be stabbed in the head with an iron needle is better for him than that he should **touch** a woman who is not permissible for him.” > > *Narrated by al-Tabaraani in al-Kabeer, 486. Shaykh al-Albaani said in Saheeh al-Jaami’, 5045, that this hadeeth is saheeh.* **What does "touch" mean in this hadith?**