رتل

رُتَيْلَى ذ and ↓ رُتَيْلَاآءُ A certain genus of هَوَامّ [or venomous creeping things ]; (S, M, K;) [the genus of insects called phalangium; applied thereto in the present day; and (perhaps incorrectly) to the tarantula: ] there are several species thereof; (K;) many species; (TA;) the most commonly known thereof is [ in its body, app.,] like the fly (ذُبَاب) that flies around the lamp; another is black speckled with white (سَوْدَاآءُ رَقْطَاآءُ); another is yellow and downy; and the bite of all causes swelling and pain; (K;) and sometimes is deadly. (TA.) ― -b2- Also, the latter (↓ رُتَيْلَاآءُ), A certain plant, the flower of which resembles that of the lily; [app. the plant called (like the insect above mentioned) phalangium, (as Golius states it to be,) and, by Arabs in the present day, زَهْرُ العَنْكَبُوتِ;] good as a remedy against the bite of the venomous creature above mentioned, (K,) for which reason it is thus called, (TA,) and against the sting of the scorpion. (K.)