boom crutch
noun
: a movable prop to support the free end of a ship's boom when it is not in use
Word History
Etymology
boom entry 2
- heterochrome
- heterochromic
- heterochromomere
- heterochromosomes
- heterochromous
- heterochronisms
- heterochthonous
- heteroclite
- heteroclites
- heteroclitic
- heteroclitics
- Heterococcales
- Heterocoela
- heterocoelan
- heterocoelous
- heterocont
- Heterocontae
- Heterocotylea
- heterocycle
- heterocycles
- heterocyclic
- heterocyclic amine
- heterocyclics
- heterocyst
- heterocystous