Plain English Meaning
Weather that is clear enough, with enough space between the airplane and the clouds, to fly safely by looking outside rather than relying on instruments.
Full Definition
Weather meeting or exceeding the minimum visibility and cloud-clearance criteria specified for flight under Visual Flight Rules. In general terms, this means good enough visibility and enough distance from clouds that the pilot can see and avoid other aircraft and terrain by looking outside the cockpit.
Context Anchor
You will see this term in preflight weather planning, , and see-and-avoid discussions, especially when deciding whether a flight can be conducted under visual flight rules.