A means of defense formed by felled trees, the ends of whose branches are sharpened and directed outwards, or against the enemy.

line of defense consisting of a barrier of felled or live trees with branches (sharpened or with barbed wire entwined) toward the enemy

or Abatis (Fr.) -- felled trees, arranged in the form of a hedge with trunks aligned and anchored in a shallow ditch.  Branches were sharpened and interlaced pointing toward the enemy.  Its purpose was to prevent surprise and to delay an attacking force within range of defensive weapons.  Sometimes called a slashing.

Winglets, giblets of poultry.

Offal of poltry / giblets; including heart, gizzard, liver as well as neck, feet and wing tips