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.
Two prime candidates for the most dangerously venomous spiders to people are the âBrazilian wandering spiderâ (Phoneutria spp.) and the âSydney funnelweb spiderâ (Atrax robustus). The âBrazilian wandering spider,â from Central and South America, can be very defensive when threatened.