Wiktionary
coordinate bond
n. 1 (context chemistry English) A type of covalent bond where the two electrons being shared originate from the same atom; a dative bond. 2 (context chemistry English) One of the bonds between the central metal atom of a coordination compound and its ligands.
WordNet
coordinate bond
n. a covalent bond in which both electrons are provided by one of the atoms [syn: dative bond]