Wiktionary (0.00 / 0 votes) Rate this definition: lactation (Noun). The secretion of milk from the mammary gland of a female mammal. lactation (Noun). The process of providing the milk to the young; breastfeeding. lactation (Noun). The period of time that a mother lactates to feed her young; lactation period.
Dictionary of English Synonymes(0.00 / 0 votes)Rate these synonyms: 1  conceive(v. a.) Synonyms: imagine, devise, think of, form in the mind. 2  conceive(v. a.) Synonyms: apprehend, suppose, think. 3  conceive(v. n.) Synonyms: become pregnant.  conceive(v. n.) Synonyms: think, imagine, have an idea, form a conception.
Word Origin and History for conceive Expand v. late 13c., conceiven, take (seed) into the womb, become pregnant, from stem of Old French conceveir (Modern French concevoir), from Latin concipere (past participle conceptus) to take in and hold; become pregnant, from com-, intensive prefix (see com-), + comb. form of capere to take, from PIE *kap-to grasp (see capable).