• WordNet 3.6
    • n prehension the act of gripping something firmly with the hands (or the tentacles)
    • ***
Webster's Revised Unabridged Dictionary
    • n Prehension The act of taking hold, seizing, or grasping, as with the hand or other member.
    • ***
Century Dictionary and Cyclopedia
    • n prehension The act of prehending, seizing, or taking hold.
    • n prehension Apprehension; mental grasp.
    • ***
Chambers's Twentieth Century Dictionary
    • ns Prehension act of seizing or taking hold
    • ***


Webster's Revised Unabridged Dictionary
L. prehensio,; cf. F. préhension,. See Prehensile
Chambers's Twentieth Century Dictionary
L. pre-hendĕre, -hensum, to seize.


In literature:

Prehension: structures fitted for grasping or holding.
"Explanation of Terms Used in Entomology" by John. B. Smith
In such cases an ox will use his tongue more in the prehension of food to make up for the incapacity of the lips.
"Special Report on Diseases of Cattle" by U.S. Department of Agriculture
The trophi serve merely for the prehension of prey, and not for mastication.
"A Monograph on the Sub-class Cirripedia (Volume 1 of 2)" by Charles Darwin
The trunk is of great strength and sensibility, and serves alike for respiration, smell, taste, suction, touch, and prehension.
"The New Gresham Encyclopedia" by Various
Having for its function the narrowing of the orifice it surrounds, it acts during suction and in the prehension of food.
"Artistic Anatomy of Animals" by Édouard Cuyer
Very often one or other of the appendages may be modified for prehension, the seizing of prey or the holding of a mate.
"Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7" by Various
I perceive very well the resistance of this prehensible organ.
"Mysterious Psychic Forces" by Camille Flammarion
Both toad and crayfish have organs for the prehension of food, its digestion and its assimilation.
"Elementary Zoology, Second Edition" by Vernon L. Kellogg

In science:

SYSTEM EVALUATION & TESTING Software requirements specification should be a com- prehensive statement of a software system's intended behavior. Unfortunately, requirements specifications are often incomplete, inconsistent, and ambiguous.
Internet Banking System Prototype