bladderwrack
nounEtymology From bladder + wrack.
1
Usually Fucus vesiculosus, a seaweed in which iodine was first discovered.
- Someone stood on a string of bladderwrack and made it pop, and some distance away the tide was turning.2016, Sarah Perry, The Essex Serpent, Serpentʼs Tail (2017), page 87:
- Synonyms
- black tang, rockweed, bladder fucus, sea oak, black tany, cut weed, dyers fucus, red fucus, rock wrack