bird-nesting

Noun

 * 1)  The, formerly common, hobby of looking for birds' nests, often with the intention of collecting the eggs.
 * 2)  A custody arrangement in which the child of divorced parents remains in one home while the parents take turns to move in and out.
 * 1)  A custody arrangement in which the child of divorced parents remains in one home while the parents take turns to move in and out.
 * 1)  A custody arrangement in which the child of divorced parents remains in one home while the parents take turns to move in and out.