v. t. [ imp. & p. p. Infixed p. pr. & vb. n. Infixing. ] [ L. infixus, p. p of infigere to infix; pref. in- in + figere to fix: cf. F. infixer. See Fix. ] 1. To set; to fasten or fix by piercing or thrusting in; as, to infix a sting, spear, or dart. Shak. [ 1913 Webster ]

The fatal dart a ready passage found,
And deep within her heart infixed the wound. Dryden. [ 1913 Webster ]

2. To implant or fix; to instill; to inculcate, as principles, thoughts, or instructions; as, to infix good principles in the mind, or ideas in the memory. [ 1913 Webster ]

n. 1. Something infixed. [ R. ] Welsford. [ 1913 Webster ]

2. (Grammar) An element that is inserted into the body of an elemt which it threby modifies, as a letter within a word. [ PJC ]

n. (Computers) A notation for commands or instructions in which the operator is inserted between the terms on which it operates. Contrasted with prefix notation and postfix notation.