To build up or be arranged in the form of a pyramid.
To combine (a series of genes) into a single genotype.
To employ, or take part in, a pyramid scheme.
To engage in pyramid trading.
A strategy by which the trader gradually adds to an existing trade or position as the price moves in the expected direction.
The practice of an athlete progressively increasing the dosage of an illicit drug to a maximum, and then progressively lowering it, between competitions so as to reduce the chances of being caught.
A shell deformity in captive turtles, leading to a pyramid shape underlying each scute.
A form of tax evasion in which an employer that withholds payroll taxes from employees intentionally fails to remit those withholdings to the taxing authority, often then filing for bankruptcy to repeat the fraud under a new name.