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Baby & Nursery Glossary Terms

4 terms related to baby & nursery, explained in plain English.

Why Do Cot Mattresses Need to Be Firm and Breathable?

Safe-sleep guidance for babies recommends a cot mattress that is firm and flat rather than soft or sloped, since a firmer surface reduces suffocation risk and helps a baby maintain a safe sleeping position. Breathable covers and cores are also widely recommended, allowing air to circulate and reducing the chance of overheating during sleep.

What Is a Convertible Cot Bed?

A convertible cot bed converts from a standard cot into a toddler bed (and sometimes a further stage) by removing one side and lowering the base, rather than being replaced outright as a child grows. It typically costs more upfront than a fixed-size cot but can extend usable life by a couple of years, so it's worth checking exactly which conversion stages a specific model includes before buying.

What is Solid Wood?

When a product is described as ‘Solid Wood’, it generally refers to furniture constructed primarily from timber where the grain runs continuously through the entire piece, without significant internal voids or composite materials. This means the wood has been cut from a single log or closely related logs. For UK shoppers, this typically indicates greater durability and longevity compared to products made with engineered wood. Solid wood is heavier than alternatives and can be more expensive, but offers a natural aesthetic and generally requires careful maintenance like occasional oiling to preserve its appearance and protect it from moisture.

What is Polycotton?

Polycotton refers to fabric blends containing both polyester and cotton fibres. In home & garden product specifications, it indicates a material created by combining the properties of these two materials. Cotton provides breathability, softness, and natural comfort, while polyester offers durability, wrinkle resistance, and easy care. Polycotton fabrics are generally more robust than pure cotton, resisting shrinkage and fading better. They’re often favoured for items like bedding where ease of maintenance is important – they require less ironing than 100% cotton. However, they may not be as breathable as purely natural fibres.