to the inside of; in toward: He walked into the room. The train chugged into the station.
2.
toward or in the direction of: going into town.
3.
to a point of contact with; against: backed into a parked car.
4.
(used to indicate insertion or immersion in): plugged into the socket.
5.
(used to indicate entry, inclusion, or introduction in a place or condition): received into the church.
6.
to the state, condition, or form assumed or brought about: went into shock; lapsed into disrepair; translated into another language.
7.
to the occupation, action, possession, circumstance, or acceptance of: went into banking; coerced into complying.
8.
(used to indicate a continuing extent in time or space): lasted into the night; far into the distance.
9.
(used to indicate the number to be divided by another number): 2 into 20 equals 10.
10.
Informal. interested or absorbed in, esp. obsessively: She's into yoga and gardening.
11.
Slang. in debt to: I'm into him for ten dollars.
–adjective
12.
Mathematics. pertaining to a function or map from one set to another set, the range of which is a proper subset of the second set, as the function f, from the set of all integers into the set of all perfect squares where f(x) = x2 for every integer.
O.E. into, originally in to. To be into something, "be intensely involved in," first recorded 1969 in Amer.Eng. The word is a late O.E. development to replace the fading dative case inflections that formerly distinguished, for instance, "in the house" from "into the house."
Eat\, v. i. 1. To take food; to feed; especially, to take solid, in distinction from liquid, food; to board. He did eat continually at the king's table. --2 Sam. ix. 13. 2. To taste or relish; as, it eats like tender beef. 3. To make one's way slowly. To eat, To eat in or into, to make way by corrosion; to gnaw; to consume. "A sword laid by, which eats into itself." --Byron. To eat to windward (Naut.), to keep the course when closehauled with but little steering; -- said of a vessel.
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Audio Help [in-too; unstressed in-too, -tuh] Pronunciation Key 
