#1
domain n. [
sphere, area, orbit, field, arena] a particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit"
. wn #2
domain n. [
demesne, land] territory over which rule or control is exercised; "his domain extended into Europe"; "he made it the law of the land"
. wn #3
domain n. [
domain of a function] (mathematics) the set of values of the independent variable for which a function is defined
. wn #4
domain n. [
world] people in general; especially a distinctive group of people with some shared interest; "the Western world"
. wn #5
domain n. [
knowledge domain, knowledge base] the content of a particular field of knowledge
. wn