Having three components or parts. / Aggressive, energetic, enthusiastic, exuberant; two-fisted.

A species of threadfin, Polydactylus plebeius.

Any insect in the subfamily Emesinae of the family Reduviidae, which are predatory true bugs with long, thin, threadlike legs.

plural of thread-legged bug

A kind of sloths having three toes on each limb.

(Greek mythology) A metaphor for the lifespan of an individual, as generated by Clotho, measured out by Lachesis and terminated by Atropos. / (poetic) DNA. / The link of inheritance from past to present.

A particularly complex or challenging problem or puzzle.

By means of threads, such as screw threads

(somewhat dated, idiomatic) Seventy, being the number of years in a full lifetime of traditionally-expected duration.

Any rule that prescribes or proscribes behavior in a three-second interval, especially