do·main 
/doʊˈmeɪn/ noun
plural do·mains /doʊˈmeɪn/ noun [count] 1 : the land that a ruler or a government controls : territory
▪ The forest is part of the king's domain. ▪ the British/Ottoman imperial domain — see also eminent domain, public domain 2 : an area of knowledge or activity
▪ My sister is the math expert in the family, but literature is my domain. ▪ Childcare is no longer solely a female domain. — often + of ▪ Federal crimes are outside the domain of city police. 3 computers a : a section of the Internet that is made up of computers or sites that are related in some way (such as by use or source) ◊An abbreviation of an Internet site's domain (such as .gov, .org, and .com) is included in its address: www.Merriam-Webster.com.
b : domain name
▪ The forest is part of the king's domain. ▪ the British/Ottoman imperial domain — see also eminent domain, public domain
▪ My sister is the math expert in the family, but literature is my domain. ▪ Childcare is no longer solely a female domain. — often + of ▪ Federal crimes are outside the domain of city police.
b : domain name
