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.
The venom of the wolf spider is poisonous, but usually not overly harmful. Bites cause pain, inflammation, itchiness and tenderness. Lymph nodes may become swollen due to the immune system's defensive reaction to the invading venom. Symptoms can last up to 10 days.