1

**:**a medial (see medial sense 2b) part (such as a vein or nerve)

2

a

**:**a value in an ordered set of values below and above which there is an equal number of values or which is the arithmetic mean of the two middle values if there is no one middle number

b

**:**a vertical line that divides the histogram of a frequency distribution into two parts of equal area

c

**:**a value of a random variable for which all greater values make the cumulative distribution function greater than one half and all lesser values make it less than one half

3

a

**:**a line from a vertex (see vertex sense 2) of a triangle to the midpoint of the opposite side

b

**:**a line joining the midpoints of the nonparallel sides of a trapezoid (see trapezoid sense 1a)

4

1

**:**being in the middle or in an intermediate position

**:**medial

2

**:**lying in the plane dividing a bilateral animal into right and left halves

3

**:**relating to or constituting a statistical median

4

**:**produced without occlusion along the lengthwise middle line of the tongue

medianly
adverb

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Merriam-Webster unabridged
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