Opus spicatum, literally "spiked work," is a type of masonry

Masonry

Masonry is the building of structures from individual units laid in and bound together by mortar; the term masonry can also refer to the units themselves. The common materials of masonry construction are brick, stone, marble, granite, travertine, limestone; concrete block, glass block, stucco, and...

 construction used in Roman

Roman architecture

Ancient Roman architecture adopted certain aspects of Ancient Greek architecture, creating a new architectural style. The Romans were indebted to their Etruscan neighbors and forefathers who supplied them with a wealth of knowledge essential for future architectural solutions, such as hydraulics...

 and medieval

Medieval architecture

Medieval architecture is a term used to represent various forms of architecture common in Medieval Europe.-Characteristics:-Religious architecture:...

 times. It consists of brick

Brick

A brick is a block of ceramic material used in masonry construction, usually laid using various kinds of mortar. It has been regarded as one of the longest lasting and strongest building materials used throughout history.-History:...

s, tile

Tile

A tile is a manufactured piece of hard-wearing material such as ceramic, stone, metal, or even glass. Tiles are generally used for covering roofs, floors, walls, showers, or other objects such as tabletops...

s or cut stone

Rock (geology)

In geology, rock or stone is a naturally occurring solid aggregate of minerals and/or mineraloids.The Earth's outer solid layer, the lithosphere, is made of rock. In general rocks are of three types, namely, igneous, sedimentary, and metamorphic...

 laid in a herringbone pattern.

Uses

Its usage was generally decorative and most commonly it was used as a pavement

Pavement (architecture)

A pavement in architecture is a stone or tile structure, the pavement, which can serve as a floor or an external feature. Pavements can be made of flagstones which are used for things like paving gardens, tiles also there were mosaics which were commonly used by the Romans.When along the side of...

, though it was used as an infill

Infill

Infill in its broadest meaning is material that fills in an otherwise unoccupied space. The term is commonly used in association with construction techniques such as wattle and daub, and civil engineering activities such as land reclamation.-Construction:...

 pattern in walls. Unless the elements run horizontally and vertically, it is inherently weak, since the oblique angles of the elements tend to spread the pattern horizontally under compression.

Examples

The herringbone method was used by Filippo Brunelleschi

Filippo Brunelleschi

Filippo Brunelleschi was one of the foremost architects and engineers of the Italian Renaissance. He is perhaps most famous for inventing linear perspective and designing the dome of the Florence Cathedral, but his accomplishments also included bronze artwork, architecture , mathematics,...

 in constructing the Cathedral of Florence (Santa Maria del Fiore

Santa Maria del Fiore

The Basilica di Santa Maria del Fiore is the cathedral church of Florence, Italy. The Duomo, as it is ordinarily called, was begun in 1296 in the Gothic style to the design of Arnolfo di Cambio and completed structurally in 1436 with the dome engineered by Filippo Brunelleschi...

).

Herringbone brickwork was also a feature of Gothic Revival architecture

Architecture

Architecture is both the process and product of planning, designing and construction. Architectural works, in the material form of buildings, are often perceived as cultural and political symbols and as works of art...

.