(cricket) The fielding position between first slip and third slip.

(idiomatic) A comedian who plays a secondary or supporting role, especially as straight man and traditionally in vaudeville or burlesque theatre.

(databases) A stage in the normalization of a relational database in which it is in first normal form and every non-key attribute is dependent upon the entire primary key.

A blanket that one uses to have a secure feeling or reduced anxiety, usually in the early years of life. / Any object one uses to have a sense of security or reduced anxiety.

(biochemistry) The general three-dimensional structure of a biopolymer such as DNA or a protein.

A second of time added to the year occasionally to compensate for variation in the rate of Earth's rotation relative to the absolute standards of time.

(chemistry) An amine containing two radicals, of general formula R₁R₂-NH; the radicals may be the same, different, or part of a ring.

A Christmas tradition where a group of people give anonymous gifts to each other, with each person randomly selected to give a gift to one other person.

A large terrestrial bird of prey, Sagittarius serpentarius, native to Africa with very long legs that preys on reptiles, especially snakes.

Alternative spelling of second-rate