"Block Storage" in cloud computing refers to a storage architecture that divides data into fixed-sized blocks and manages it as a collection of these blocks. This type of storage is ideal for applications requiring high performance and low latency, such as databases and enterprise applications. Block storage allows for efficient data access and retrieval, providing benefits like scalability, flexibility, and durability. Commonly used in cloud services, block storage enhances overall system functionality and helps in managing large data volumes effectively.