From Longman Dictionary of Contemporary Englishcolcol1 /kɒl $ kɑːl/ noun [countable] SG technical a low point between two high places in a mountain range
Examples from the Corpus
col• This error is like climbing below a col, and coming up on the wrong side of it.• A col was reached at the ridge base and we ate.• But the view from the col was decisive and I stayed to indulge my vanity.• Each of the cols traversed by the peloton is harder than the one before.• Two hours later I collapsed on to the col, long after Enrique had got there, and every step a struggle.colcol2 TCNthe written abbreviation of columnCol.Col.PMAthe written abbreviation of colonelFrom Longman Business Dictionarycol.col. abbreviation for columnOrigin col (1800-1900) French Latin collum; → COLLAR1 