(aeronautics) On rotorcraft, a hinge with its axis parallel to the rotor plane of rotation, which permits the rotor blades to flap.

plural of delta hinge

The pleasure of being able to manipulate someone, often made visible to others by flashing a smile at an inappropriate moment.

Alternative spelling of delta blues

(informal) Very delicious.

A service of delivering goods to the consumer's home. / Homebirth.

an enzyme conferring resistance to beta-lactam antibiotics / a gene that codes for the enzyme

Alternative form of New Delhi metallo-beta-lactamase-1

(computing) The simultaneous key combination of Ctrl, Alt, and Delete.

(science fiction, sometimes humorous) Said by a sentient machine to express the desire to kill or destroy something or someone.