on a horizontal plane

having a surface of completely equal height

being of the same height as something else

(of quantities to be measured, as in recipes) even with the top of the cup, spoon, etc

equal to or even with (something or someone else)

not having or showing inconsistency or irregularities

even-tempered; steady

to make (a surface) horizontal, level, or even

to make (two or more people or things) equal, as in position or status

to raze to the ground

to knock (a person) down by or as if by a blow

to direct (a gaze, criticism, etc) emphatically at someone

to be straightforward and frank

to manoeuvre an aircraft into a horizontal flight path after a dive, climb, or glide

to aim (a weapon) horizontally

to determine the elevation of a section of (land), sighting through a levelling instrument to a staff at successive pairs or points

a horizontal datum line or plane

a device, such as a spirit level, for determining whether a surface is horizontal

a surveying instrument consisting basically of a telescope with a spirit level attached, used for measuring relative heights of land

a reading of the difference in elevation of two points taken with such an instrument

position or status in a scale of values

amount or degree of progress; stage

a specified vertical position; altitude

a horizontal line or plane with respect to which measurement of elevation is based

a flat even surface or area of land

a horizontal passage or drift in a mine

any of the successive layers of material that have been deposited with the passage of time to build up and raise the height of the land surface

the ratio of the magnitude of a physical quantity to an arbitrary magnitude