apical /ˈæpɪkəl/adjective 3noun 1forms 1 adjective3 •Of or connected with the apex. •Of a meristem, situated at the growing tip of the plant or its roots, in comparison with intercalary growth situated between zones of permanent tissue. •Of a sound, produced with the tip of the tongue. noun1 •A sound produced by obstructing the air passage with the tip of the tongue. formsapicals