(biology, psychology) An identifying characteristic, habit or trend.

plural of trait

A trait, at a lower level of biological organization, that acts together with other such traits to affect or determine characteristics at a higher level of biological organization.

plural of subordinate trait

An attribute of someone's personality.

(genetics) Any trait or characteristic whose appearance or absence in a person is determined by a gene on the sex chromosomes. Typically, these genes are found on the X chromosome but not on the Y chromosome.

plural of X-linked trait

Someone who violates an allegiance and betrays their country; someone guilty of treason; one who, in breach of trust, delivers their country to an enemy, or yields up any fort or place entrusted to their defense, or surrenders an army or body of troops to the enemy, unless when vanquished.

To act the traitor toward; to betray; to deceive.

Traitorous.