Any spider from the family Tetragnathidae.

(idiomatic) A difficult, arduous task or set of tasks; a lengthy, demanding project.

Protracted, extending for a great period of time.

Any of many subspecies of small passerine birds with long tails, Aegithalos caudatus, found throughout Europe and Asia

(medicine) a heart disease in which there is an abnormally long delay between the electrical excitation (or depolarization) and relaxation (repolarization) of the ventricles of the heart.

Alternative form of daddy longlegs

A species of pangolin, Manis tetradactyla.

(idiomatic) Introducing a short version of, or simply the conclusion of, a relevant story.

Any of a group of frogs of the genus Cardioglossa.

(idiomatic) I haven't heard from you for a long time.