At the forefront of practice or technology, contrast with bleeding edge
The foremost part of a trend etc; a vanguard
The frontmost edge of a wing or other airfoil of an aircraft; sometimes contains slots or slats
The act of delivering into the hands of another; delivery.
An established or distinctive style or method
A part of culture that is passed from person to person or generation to generation, possibly differing in detail from family to family, such as the way to celebrate holidays.
A commonly held system.