The Collaborative International Dictionary of English v.0.48:

manzanilla \man`za*nil"la\ (m[a^]n`z[.a]*n[i^]l"l[.a]; Sp.
   m[aum]n`th[aum]*n[=e]l"y[aum]), n.
   1. (Olive Trade) A kind of small roundish olive with a small
      freestone pit, a fine skin, and a peculiar bitterish
      flavor. Manzanillas are commonly pitted and stuffed with
      Spanish pimientos.
      [Webster 1913 Suppl.]

   2. A very dry pale sherry from Spain.
      [WordNet 1.5]

WordNet (r) 3.0 (2006):

Manzanilla
    n 1: very dry pale sherry from Spain