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.
In general, all spiders bite, but their bites are not all equally poisonous. Most spider bites are no worse than a mosquito bite. However the black widow and the brown recluse bites are quite poisonous.They eat insects, which leads many people to believe they are a good thing to have around. Spiders are of the family arachnid.They have two body parts, eight segmented legs and fangs that inject venom into their victims. They have no antennae.owever the black widow and the brown recluse bites are quite poisonous. They eat insects, which leads many people to believe they are a good thing to have around. Spiders are of the family arachnid. They have two body parts, eight segmented legs and fangs that inject venom into their victims. They have no antennae.