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
To set; to fasten or fix by piercing or thrusting in; as, to infix a sting, spear, or dart
A string (see there) that may occurs in any position within a word (see there) If an infix occurs in the beginning of a string, it's called prefix (see there), if it occurs at the end of a string, it's called suffix (see there) In a strict sense an infix may not occur at the beginning or end of a string)