Meaning of UPPER in English

UPPER

I. ˈə-pər adjective

Etymology: Middle English, comparative of up (II)

Date: 14th century

1.

a. : higher in physical position, rank, or order

the upper lip

upper management

b. : farther inland

the upper Mississippi

2. : constituting the branch of a bicameral legislature that is usually smaller and more restricted in membership and possesses greater traditional prestige than the lower house

3.

a. : constituting a stratum relatively near the earth's surface

b. capitalized : being a later epoch or series of the period or system named

Upper Cretaceous

Upper Paleolithic

4. : northern

upper Manhattan

II. noun

Date: 1789

: one that is upper: as

a. : the parts of a shoe or boot above the sole

b. : an upper tooth or denture

c. : an upper berth

- on one's uppers

III. noun

Etymology: up + -er (II)

Date: circa 1968

1. : a stimulant drug ; especially : amphetamine

2. : something that induces a state of good feeling or exhilaration

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.