(law) The principle by which property rights extend vertically upwards and, sometimes, downwards from a property; it is used to describe air rights or no-fly zones, as well as rights to resources under the soil, such as mineral rights, among others.

(Internet, advertising) An advertisement which extends horizontally across a web-page. / An advertisement on a banner.

Use of ad hoc or improvised reasoning. / (computing) Arbitrary decision rules sometimes included in artificially intelligent software to simulate the unexpectedness in human reasoning.

Alternative spelling of ad hocery

Use of ad hoc or improvised reasoning. / (architecture) An eclectic style in which various separately designed elements are combined.

Alternative spelling of ad hocery

Alternative spelling of ad hocism

present participle of ad lib

simple past tense and past participle of ad lib

Third-person singular simple present indicative form of ad lib