In this tutorial, I will teach you how to make an Origami Flapping Bird (really flaps!) using a regular sheet of printer paper. If you have any origami or square paper, that would be ideal to use. Making the Origami Flapping Bird is very similar to making the Origami Crane, yet with fewer folds.
invitation for bid (IFB) A part of the sealed bid process. Companies or government organizations give in-depth specifications for projects and invite contractors to bid their proposals for various projects. The sealed bids are opened at the predetermined time and recorded. A contract is awarded to the best bid.
Also found in: Dictionary, Thesaurus, Medical, Financial. Related to Bilateral Contract: quasi contract, unilateral contract, executed contract. An agreement formed by an exchange of a promise in which the promise of one party is consideration supporting the promise of the other party. A bilateral contract is distinguishable from a unilateral contract, a promise made by one party in exchange for the performance of some act by the other party.