tine test: a tuberculin test in which a disk with several tines bearing tuberculin antigen is used to puncture the skin; development of a hard red area indicates past or present exposure to tubercle bacilli and the need for further testing
act: something that people do or cause to happen
spirea: a Japanese shrub that resembles members of the genus Spiraea; widely cultivated in many varieties for its dense panicles of flowers in many colors; often forced by florists for Easter blooming