Available Definitions:
1) a. - Pertaining to the household; domestic.
2) a. - Relating to domestic economy, or to the management of household affairs.
3) a. - Managing with frugality; guarding against waste or unnecessary expense; careful and frugal in management and in expenditure; -- said of character or habits.
4) a. - Managed with frugality; not marked with waste or extravagance; frugal; -- said of acts; saving; as, an economical use of money or of time.
5) a. - Relating to the means of living, or the resources and wealth of a country; relating to political economy; as, economic purposes; economical truths.
6) a. - Regulative; relating to the adaptation of means to an end.