Adjective
Used other than figuratively or idiomatically: see male, to, female.
The male-to-female ratio is 5-to-3.
(LGBT) Transitioning or having transitioned from being physically male to being female.
(LGBT) Changing or having changed from having a male gender (gender identity or presentation) to being female.
(electronics, of an adapter) That changes a male end (with pins, usually a plug) of a connection into a female one (usually a socket).
Source: en.wiktionary.orgEdward O. Laumann's 1992 survey, reported in The Social Organization of Sexuality: Sexual Practices in the United States, found that about 20% of heterosexuals had engaged in male-to-female anal sex. Source: Internet
Intimate relationships between heterosexual women and male-to-female people with GID often suffer once the GID is known or revealed. Source: Internet
The male-to-female ratio would be expected to rise to a normal level with the passage of years, as happened between 1953 and 1970, when the figure was 95.1 males per 100 females. Source: Internet
Male-female ratio Young Korean woman walking in Pyongyang The figures disclosed by the government reveal an unusually low proportion of males to females: in 1980 and 1987, the male-to-female ratios were 86.2 to 100, and 84.2 to 100, respectively. Source: Internet
It is just another version of Male-to-Female violence. Source: Internet