The difference between Median and Reservation

Median as a noun (anatomy, now, _, rare):

A central vein or nerve, especially the median vein or median nerve running through the forearm and arm.

Median as a noun (geometry):

A joining the vertex of triangle to the of the opposing side.

Median as a noun (statistics):

In statistics and probability theory, the median is the number separating the higher half of a data sample, a population, or a probability distribution, from the lower half. The median of a finite list of numbers can be found by arranging all the observations from lowest value to highest value and picking the middle one (e.g., the median of {3, 3, 5, 9, 11} is 5). If there is an even number of observations, then there is no single middle value; the median is then usually defined to be the mean of the two middle values.

Median as a noun (US):

The median strip; the area separating two lanes of opposite-direction traffic.

Median as an adjective:

Situated in the middle; central, intermediate.

Median as an adjective (anatomy, botany):

In the middle of an organ, structure etc.; towards the median plane of an organ or limb.

Median as an adjective (statistics):

Having the median as its value.

Reservation as a noun:

The act of reserving, withholding or keeping back. The practice of reserving part of the consecrated bread of the Eucharist for the communion of the sick. The act of the pope to reserve to himself the right to nominate to certain benefices.

Reservation as a noun:

Something that is withheld or kept back.

Reservation as a noun (often, plural):

A limiting qualification; a doubt.

Reservation as a noun (US):

A tract of land set apart by the US government for the use of a Native American people; Indian reservation (compare Canadian ).

Reservation as a noun:

An arrangement by which accommodation or transport arrangements are secured in advance.

Reservation as a noun (UK):

The area which separates opposing lanes of traffic on a divided motorway.

Reservation as a noun (India):

The setting aside of a certain percentage of vacancies in government institutions for members of backward and underrepresented communities (defined primarily by caste and tribe).