[hold.fast] n (1566) 1: something to which something else may be firmly secured
2. a: a part by which a plant clings to a flat surface b: an organ by which a parasitic animal attaches itself to its host
[hold.fast] n (1566) 1: something to which something else may be firmly secured
2. a: a part by which a plant clings to a flat surface b: an organ by which a parasitic animal attaches itself to its host
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012