From The Collaborative International Dictionary of English v.0.48 [gcide]:
Alexanders \Alexanders\ n.
1. same as {Alexander[wn1]}; Smyrnium olusatrum.
Syn: Alexander, black lovage, horse parsley, {Smyrnium
olusatrum}
[WordNet 1.5] Alexanders
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Alexanders \Al`ex*an"ders\, Alisanders \Al`i*san"ders\, n. [OE.
alisaundre, OF. alissandere, fr. Alexander or Alexandria.]
(Bot)
A name given to two species of the genus Smyrnium, formerly
cultivated and used as celery now is; -- called also {horse
parsely}.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
Alexanders
n 1: European herb somewhat resembling celery widely naturalized
in Britain coastal regions and often cultivated as a
potherb [syn: Alexander, Alexanders, black lovage,
horse parsley, Smyrnium olusatrum]