what is another name for spider web
As web is to spider.
cove
An antlion. First half of antlion is 'ant'.
They are called infants
The common name for spider silk is "cobweb."
As web is to spider.
Nest
The Brown Widow spider makes a brown, spilt nest.
harvestman spider
A nest, or a bird house.
Aerie
Yes!
It could be a nest or hive.
Fiddler Crab
you could throw it to a tree
The spider is commonly called the "Mediterranean widow spider." "Marmaga" is just another common name for it which doesn't appear to have an English translation.
A sajou is another name for a spider monkey or capuchin.