a small usually single-celled asexual reproductive body produced by many nonflowering plants and fungi and some bacteria and protozoans and that are capable of developing into a new individual without sexual fusion; "a sexual spore is formed after the fusion of gametes"
(microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered plants
a sustained muscular contraction resulting from a rapid series of nerve impulses
an acute and serious infection of the central nervous system caused by bacterial infection of open wounds; spasms of the jaw and laryngeal muscles may occur during the late stages
(of a body of water) free from disturbance by heavy waves; "a ribbon of sand between the angry sea and the placid bay"; "the quiet waters of a lagoon"; "a lake of tranquil blue water reflecting a tranquil blue sky"; "a smooth channel crossing"; "scarcely a ripple on the still water"; "unruffled water"
backache affecting the lumbar region or lower back; can be caused by muscle strain or arthritis or vascular insufficiency or a ruptured intervertebral disc
an object of dread or apprehension; "Germany was always a bugbear for France"; "A foolish consistency is the hobgoblin of little minds"--Ralph Waldo Emerson
a playing card in the major suit that has one or more red hearts on it; "he led the queen of hearts"; "hearts were trumps"
an inclination or tendency of a certain kind; "he had a change of heart"
the courage to carry on; "he kept fighting on pure spunk"; "you haven't got the heart for baseball"
the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body; "he stood still, his heart thumping wildly"
the locus of feelings and intuitions; "in your heart you know it is true"; "her story would melt your bosom"
a firm rather dry variety meat (usually beef or veal); "a five-pound beef heart will serve six"
a plane figure with rounded sides curving inward at the top and intersecting at the bottom; conventionally used on playing cards and valentines; "he drew a heart and called it a valentine"