limb

life and limb: seelife.

out on a limb

1 isolated or stranded.

2 without support.

☞ A limb here is the projecting branch of a tree. A related expression is go out on a limb, meaning 'take a risk' or 'act boldly and uncompromisingly'.

2013PC World I'm going out on a limb here and guessing that you don't have a tape backup drive. You may not even have an optical drive.

tear someone limb from limb violently dismember someone.