terna

1 terna, ternus [? cf. ON þerna, AS stearn, starnus], ? kind of bird (cf. starnus). c1326 in exhenniis missis domino priori ‥ item in ~is v s. iij d. Sacr. Ely II 53.

2 terna [ME terne], lake, pond, tarn. [through the middle of Richard's ploughland near a certain tarn] ~a Reg. Holm Cultram 70.