| hawthorn | <botany> A thorny shrub or tree (the Crataegus oxyacantha), having deeply lobed, shining leaves, small, roselike, fragrant flowers, and a fruit called haw. It is much used in Europe for hedges, and for standards in gardens. The American hawthorn is Crataegus cordata, which has the leaves but little lobed. Origin: AS. Hagaborn, haegorn. See Haw a hedge, and Thorn. (01 Mar 1998) |
|---|---|
| Hawthorne effect | The effect (usually positive or beneficial) of being under study, upon the persons being studied; their knowledge of the study often influences their behaviour. Origin: city in Illinois; site of the Western Electric plant (05 Mar 2000) |