(transitive) To change one's mind concerning, especially to decide against.

Betamax.

An egg-shaped seed of the betel palm; wrapped in the leaves of the betel pepper and chewed.

An intermediary or middleman. / (shogi) A shogi piece, used in chu shogi and larger shogi variants, that can move one step straight forward or straight backwards.

(baseball) A bounce larger than a short hop and smaller than a long hop, often difficult to field.

(transitive) To beteach.

(transitive, obsolete) To take over to; take across (to); deliver. / (transitive, obsolete) To seize; lay hold of; take.

(computing) An early version of a program or application that contains most of the major features, but is not yet complete. Sometimes these versions are released only to a select group of people, or to the general public, for testing and feedback. This is the second major stage of development following the alpha version, and comes before the release candidate.

(idiomatic, with bare infinitive, informal) Should; ought to; need to; must.

(transitive, idiomatic, humorous or literary) Used to warn someone that trouble will occur if that person does something: bad things will happen to.