IPA: /ˈɑːrmlaɪk/
KK: /ˈɑrmˌlaɪk/
Having a shape or appearance similar to an arm.
The tree branches were armlike, stretching out towards the sky.
Armlike → It is formed from "arm" (from Old English "earm", meaning the upper limb of the body) and "-like" (meaning resembling or similar to). The word "armlike" means resembling or similar to an arm.
Think of something that is 'similar to an arm' — 'arm' refers to the limb, and '-like' indicates resemblance.