In the second place; as the second in serial order. Chiefly in the enumeration of heads or topics in a discourse.

quasi-adv. Secondly, in the second place (rare); as the second in succession. Also, †for the second time.

quasi-adv. In the second place (in an enumeration, argument, etc.); secondly. Obsolete.

Secondly; in the second order or place (in an argument, discourse, or the like). (Very common in the 16th cent.) Obsolete.

= secondarily, adv.