| Word | Definitions | Synonyms |
|---|---|---|
| boll | (noun) the rounded seed-bearing capsule of a cotton or flax plant | - |
| bollard | (noun) a strong post (as on a wharf or quay or ship for attaching mooring lines) | Synonyms: bitt |
| bollock | (noun) a pulley-block at the head of a topmast | Synonyms: bullock block |
| (noun) one of the two male reproductive glands that produce spermatozoa and secrete androgens | Synonyms: ball, ballock, egg, nut, orchis, testicle, testis | |
| bollworm | (noun) any of various moth caterpillars that destroy cotton bolls | - |