Lingam

Lingam (noun) from Sanskrit linga (nominative lingam"wand of light."), "mark, token, sign, emblem" 

1): (Shaivism) The phallic representation traditionally worshipped as a symbol of or in connection with Shiva.

2):The penis. or a penis-like object or image.

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Lingam (pronounced ling-ahm: Sanskrit, loosely translated as ) is the word for the male sexual organ.  It's meaning is different in intention from the typical Western view of the penis.   In India, the lingam is respectfully viewed and honored as a channel for creative energy and pleasure.
      Perhaps the most famous lingam in the world is the Washington Monument which is an oversize copy an Egyptian obelisk. The ancient Egyptians believed that the spirit of the Egyptian Sun god, Ra - who represented the ultimate in masculinity and power - resided within the obelisk.
 
   The sex act between male and female is represented as a lingam within a circle (yoni).  The Washington Monument sits within a circleNatural lingams are found in Northern India where, many thousands of years ago, a meteorite crashed and melded with the native rock. After years of washing and rolling in the flowing stream. Once a year the choicest stones are gathered by a special group of indi-viduals 
     Though it can be used as a technical term for the male phallus, specifically ling-
 
Yoni-lingam ready for worship
am is a term of reverence for the statues and images of the god Shiva’s genital organ. The thousands of lingams one finds throughout India and Nepal on almost every street corner and in every village square are worshipped even today as sacred symbols of Shiva (the "Destroyer" aspect in the all-male Vedic trinity).  People kiss and touch the statues, which are generally sculpted from stone; they offer rice, flowers, or fruit to them and will often color them with red ocher.
      The Gupta-sadhana Tantra states "infinite result is obtained by worship of a Sivalinga that should be made of crystal and other materials, but never of clay"