r 1 a 1 t 1 t 1 a 1 i 1 l 1
7 letters · 7 points in Scrabble
Meaning
noun deep-sea fish with a large head and body and long tapering tail
originFrom rat + tail: all of the nonliteral senses come from something else's fancied resemblance to the tail of a rat.
Etymology from Wiktionary, CC BY-SA 3.0