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

• The fused head and thorax of spiders and crustaceans

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

• the operation of introducing a catheter into the body

• (verse) having an extra syllable or syllables at the end of a metrically complete verse or in a metrical foot

• (prosody) a line of poetry having an extra syllable or syllables at the end of the last metrical foot