1. [ noun ] (chemistry,food) lettuce with crisp tightly packed light-green leaves in a firm head
Synonyms: iceberg_lettuce crisphead_lettuce

"iceberg is still the most popular lettuce"

Related terms: lettuce head_lettuce
2. [ noun ] a large mass of ice floating at sea; usually broken off of a polar glacier
Synonyms: berg
Related terms: ice_mass floater growler
Similar spelling:   ice_bear