bridgehead

== English == === Etymology === Calque of French tête de pont, equivalent to bridge +‎ head. === Pronunciation === IPA(key): /ˈbɹɪd͡ʒhɛd/ === Noun === bridgehead (plural bridgeheads) An area around the end of a bridge. (military) A fortification around the end of a bridge. (military) An area of ground on the enemy's side of a river or other obstacle, especially one that needs to be taken and defended in order to secure an advance. (physical chemistry) Either of the two atoms in different parts of a molecule that are connected by a bridge of two or more other atoms ==== Related terms ==== (military): beachhead (chemistry): dibridgehead ==== Translations ==== === See also === airhead beachhead railhead