Noun. 1. perineum-the general region between the anus and the genital organs. region, area-a part of an animal that has a special function or is supplied by a given artery or nerve; in the abdominal region.
As if. Definition of Quasi. The word 'quasi' is always used in combination with another word such as a 'quasi religion' or a 'quasi retirement'. The meaning and definition of this famous Latin expression relates to something that resembles or is an approximation but not quite - such as nearly retired, but not quite.
In this sense, Social Security disability insurance (SSDI) can be thought of as a retirement benefit for those who are forced to retire early. If you do collect SSDI disability benefits, they will be converted to retirement benefits when you reach full retirement age.