Final answer:
A spire is the term for a tall, tapering pyramidal structure at the top of a steeple or tower, commonly seen on Gothic cathedrals. Option 1.
Step-by-step explanation:
The term for a tall, acutely tapering pyramidal structure surmounting a steeple or tower is a spire. This architectural feature is prominent in Gothic cathedrals and signifies their aspiration towards the heavens. Spires are distinct from other structures such as the obelisk, which is a monolith with a tapered point, the ziggurat with its receding terraces, the minaret associated with Islamic architecture, and the pylon, the monumental gateway of ancient Egyptian temples. Option 1.