(biology) The phenotype extended to include effects that genes have on their environment. (ex.: beaver dams, spider webs, ant colonies, a caddis fly's protective cases, etc.)

plural of extended family

A role (or the person who performs it) that extends a physician's oversight to a larger patient population than would otherwise be reasonable (by relieving the physician of much of the work done for, and time spent with, each patient); physician assistants and nurse practitioners can both provide this extension.

plural of physician extender

A household with additional members compared to a nuclear family.

plural of extended household

(snooker) A spider (type of rest) in which the head is extended in front in order to reach over intervening balls

Synonym of king cab

plural of extended cab

(sports) In a one-sided sporting contest, when junior varsity players (i.e., second- and third-string players) play a majority of a varsity game.