The fruit of the oak, being an oval nut growing in a woody cup or cupule.

The fruit of an oak; A one-seed nut fixed in a woody cup.

A turning that resembles the acorn (fruit of the oak tree). It was used as a finial, drop pendant, or furniture foot in the Jacobean furniture of early 17th Century England.

Fruit of the species of Quercus, i.e., a nut associated with a variously scaly cupule. Example 1, Example 2, Example 3, Example 4

A system of classifying UK households into 56 demographic groups

A classification of residential neighborhoods; a marketing segmentation system that enables consumers to be classified according to the type of area they live - usually just by using the consumer's postcode.

Acronym for "A Classification of Residential Neighborhoods". Used to classify neighborhoods using variables such as demographics, housing types, etc.

Acronym for A Classification Of Residential Neighbourhoods, a computerised marketing segmentation system enabling consumers to be classified and mailed according to the where they live. This is based on the concept that people in one type of residential neighbourhood will act in similar ways and will tend to make similar types of purchases, thus if an organisation has customers in one type of neighbourhood then others in the same type of neighbourhood are quite likely to be potential customer.