Alternative form of like a rat up a drainpipe

Tachyoryctes ankoliae, a species of mole rat found in Angola and Uganda.

Alternative spelling of sandy blind mole-rat; Spalax arenarius.

A species of blind mole-rats endemic to Ukraine; Spalax arenarius.

(simile) Quickly but futilely, away from a failing project.

Melomys fulgens, a species of rat found in Seram.

Capable of reasoning. / Logically sound; not self-contradictory or otherwise absurd. / (of a person or personal characteristics) Healthy or balanced intellectually; exhibiting reasonableness.

(mathematics) A rational number: a number that can be expressed as the quotient of two integers.

(historical) The breastplate worn by Israelite high priests.

(usually countable) Any of various New Zealand plants of the genus Metrosideros / (usually uncountable) The hard dark red wood of such trees.