calendar method of birth control

natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle) ;

calendar month

one of the twelve divisions of the calendar year; "he paid the bill last month" ;

calendar week

a period of seven consecutive days starting on Sunday ;

calendar year

the year (reckoned from January 1 to December 31) according to Gregorian calendar ;

calender

a machine that smooths or glazes paper or cloth by pressing it between plates or passing it through rollers ;

calendula

any of numerous chiefly annual herbs of the genus Calendula widely cultivated for their yellow or orange flowers; often used for medicinal and culinary purposes ;

calendula officinalis

the common European annual marigold ;

caley pea

a weak-stemmed winter annual native to Mediterranean region for long established in southern United States; cultivated as a cover and pasture crop ;

calf

young of domestic cattle ; young of various large placental mammals e.g. whale or giraffe or elephant or buffalo ; the muscular back part of the shank ; fine leather from the skin of a calf ;

calf's-foot jelly

a savory jelly made with gelatin obtained by boiling calves' feet ;

calf's brain

the brain of a calf eaten as meat ;

calf's liver

liver of a calf used as meat ;

calf's tongue

the tongue of a calf eaten as meat ;

calf bone

the outer and thinner of the two bones of the human leg between the knee and ankle ;

calf love

temporary love of an adolescent ;

calf roping

capturing a calf with a lasso and binding its feet ;

calfskin

fine leather from the skin of a calf ;

calgary

the largest city in southern Alberta; an oil and gas center and a technology center for Alberta and most of western Canada ;

cali

city in southwestern Colombia in a rich agricultural area ;

cali cartel

a drug cartel that seized control of cocaine production in Colombia in 1993; adopted techniques used by terrorist organizations (small cells and sophisticated communications equipment and close ties with politicians etc.) ;

caliber

a degree or grade of excellence or worth; "the quality of students has risen"; "an executive of low caliber" ; diameter of a tube or gun barrel ;

calibration

the act of checking or adjusting (by comparison with a standard) the accuracy of a measuring instrument; "the thermometer needed calibration" ;

calibre

a degree or grade of excellence or worth; "the quality of students has risen"; "an executive of low caliber" ; diameter of a tube or gun barrel ;

caliche

nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru ; crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions ;

calico

coarse cloth with a bright print ;

calico aster

a variety of aster ;

calico bush

a North American evergreen shrub having glossy leaves and white or rose-colored flowers ;

calico cat

a cat having black and cream and yellowish markings ;

calico crab

brightly spotted crab of sandy beaches of the Atlantic coast of the United States ;

caliculus

a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp) ;

calidris

a genus of Scolopacidae ;

calidris canutus

a sandpiper that breeds in the arctic and winters in the southern hemisphere ;

calidris ferruginea

Old World sandpiper with a curved bill like a curlew ;

calidris melanotos

American sandpiper that inflates its chest when courting ;

calif

the civil and religious leader of a Muslim state considered to be a representative of Allah on earth; "many radical Muslims believe a Khalifah will unite all Islamic lands and people and subjugate the rest of the world" ;

calif.

a state in the western United States on the Pacific; the 3rd largest state; known for earthquakes ;

california

a state in the western United States on the Pacific; the 3rd largest state; known for earthquakes ;

california allspice

straggling aromatic shrub of southwestern United States having fragrant brown flowers ;

california bay tree

Pacific coast tree having aromatic foliage and small umbellate flowers followed by olivelike fruit; yields a hard tough wood ;

california beauty

any of several handsome evergreen shrubs of California and northern Mexico having downy lobed leaves and showy yellow flowers ;