noun es·tu·ary \ˈes-chə-ˌwer-ē, ˈesh-\

: an area where a river flows into the sea

plural es·tu·ar·ies

Full Definition of ESTUARY

:  a water passage where the tide meets a river current; especially :  an arm of the sea at the lower end of a river

Examples of ESTUARY

  1. <the city sits on the shores of a deep estuary where the Hudson River meets the Atlantic Ocean>

Origin of ESTUARY

Latin aestuarium, from aestus boiling, tide; akin to Latin aestas summer — more at edify
First Known Use: 1538

Related to ESTUARY

arm, bay, bight, cove, creek [chiefly British], embayment, gulf, firth, fjord (also fiord), inlet, loch [Scottish]

Other Geology Terms

anthracite, boulder, cwm, erratic, igneous, intrusive, mesa, sedimentary, silt, swale

Rhymes with ESTUARY

actuary, adversary, airy-fairy, ancillary, antiquary, apiary, arbitrary, aviary, axillary, bacillary, beriberi, bestiary, biliary, black raspberry, Bloody Mary, boysenberry, breviary, budgetary, calamari, calamary, candleberry, Canterbury, capillary, carpellary, cassowary, catenary, cautionary, cavitary, cemetery, centenary, certiorari, checkerberry, chinaberry, cometary, commentary, commissary, condottiere, coralberry, corollary, coronary, culinary, customary, dictionary, dietary, dignitary, dromedary, dysentery, elderberry, emissary, farkleberry, February, formulary, fragmentary, fritillary, functionary, funerary, honorary, huckleberry, intermarry, janissary, January, lamasery, lapidary, lectionary, legendary, legionary, lingonberry, literary, loganberry, luminary, mammillary, mandatary, maxillary, medullary, mercenary, miliary, military, millenary, milliary, millinery, missionary, momentary, monastery, mortuary, necessary, ordinary, ossuary, partridgeberry, pensionary, pigmentary, planetary, Pondicherry, prebendary, presbytery, pulmonary, quaternary, red mulberry, reliquary, rowanberry, salivary, salmonberry, salutary, sanctuary, sanguinary, sanitary, secondary, secretary, sedentary, seminary, silverberry, solitary, sour cherry, stationary, stationery, statuary, subcontrary, sublunary, sugarberry, sumptuary, syllabary, temporary, tertiary, thimbleberry, Tipperary, Tom and Jerry, topiary, tributary, tutelary, Typhoid Mary, unitary, urinary, vestiary, Virgin Mary, visionary, voluntary, vulnerary, Waterbury, whortleberry, winterberry
ESTUARY Defined for Kids


noun es·tu·ary \ˈes-chə-ˌwer-ē\
plural es·tu·ar·ies

Definition of ESTUARY for Kids

:  an arm of the sea at the lower end of a river


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