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.
Venom toxicity - the Sydney Funnel-Web Spider is one of the world's most deadly spiders. Both the male and female carry atraxotoxin, one of the world's most dangerous toxins. The Blue Mountains Funnel-Web and Northern Tree Funnel-Web Spiders are also highly venomous.