holing

== English == === Pronunciation === Rhymes: -əʊlɪŋ === Etymology 1 === ==== Verb ==== holing present participle and gerund of hole ===== Derived terms ===== === Etymology 2 === From hole (“a hollow”) +‎ -ing. ==== Noun ==== holing (plural holings) (mining) undercutting in a bed of coal in order to bring down the upper mass. === References ===