The term "chin strap" is a noun that refers to a strap that is attached to a hat or helmet. It goes under the chin and helps to keep the hat or helmet securely in place, so it doesn’t blow off in the wind or move around.
You use "chin strap" when talking about hats or helmets that need to be secured to your head. It is commonly found in items like baseball caps, sun hats, and helmets used in sports or construction.
In a more advanced context, "chin strap" can also refer to a specific design feature in various types of headgear, such as military helmets or sports helmets, where the chin strap is designed to provide additional safety and stability.
While "chin strap" primarily refers to the strap on headgear, it can also informally refer to a type of beard style where the hair grows along the chin and jawline, resembling the shape of a strap.
There are no specific idioms or phrasal verbs that directly include "chin strap," but you might hear expressions related to securing or holding something in place, such as: - "Buckle up": This means to fasten a seatbelt but can metaphorically mean to prepare for something.
In summary, a chin strap is a useful part of certain hats and helmets that helps keep them on your head. It is commonly used in outdoor activities and sports.