In zoology and anatomy, a tail or tail-like appendage.(noun)
In botany, a tail-like appendage.(noun)
The Century Dictionary (Public Domain)
Use "cauda" in a sentence
"As already mentioned (page 750), the term cauda equina is applied to this collection of nerve roots."
"And, indeed, the nerve mass is called cauda equina (kaw'duh ee-kw/nuh; "tail of a horse" L)."
"From the appearance these nerves present at their attachment to the medulla spinalis and from their great length they are collectively termed the cauda equina (Fig. 662)."