7 the operating mechanism, esp. in a piano, gun, watch, etc. 8 (of a guitar) the distance between the strings and the fingerboard. 9 (of keyboard instruments) the sensitivity of the keys to touch. 10 the force applied to a body. the reaction is equal and opposite to the action.
Quick Answer. The Hawaiian happy face spider, Theridion grallator, is not poisonous. While the arachnid belongs to the same family as the feared black widow, it lacks the toxic venom. The species is named for the array of color patterns across the abdomen, some of which resemble a smiling face. Continue Reading.
Add your two cents. There are many dangerous spiders but the most dangerous 10 spiders out of these have been listed. These spiders cannot only poison the small mammals but also affect the humans by making them very ill. Most of the time a bite by these spiders results in some kind of headache or illness or vomiting.