| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
whistler (ˈwɪslə) ![]() | |
| —n | |
| 1. | a person or thing that whistles |
| 2. | radio an atmospheric disturbance picked up by radio receivers, characterized by a whistling sound of decreasing pitch. It is caused by the electromagnetic radiation produced by lightning |
| 3. | See also thickhead any of various birds having a whistling call, such as certain Australian flycatchers and the goldeneye |
| 4. | any of various North American marmots of the genus Marmota, esp M. caligata (hoary marmot) |
| 5. | vet science a horse affected with an abnormal respiratory noise, resembling whistling |
| 6. | informal a referee |
whistler definition
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