15-Letter Words Containing: H,E,A,R,E,R

• extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds

• someone who is unimportant but cheeky and presumptuous

• a medical instrument that records the electrical waves associated with the activity of skeletal muscles

• able to withstand exposure to weather without damage

• make resistant to bad weather