Lacewell is an English surname that is spelled phonetically as /leɪsˈwɛl/. The first syllable is pronounced with a long a sound (/leɪ/), followed by a short e sound (/s/), and then a w sound (/w/). The second syllable is pronounced with a short e sound (/ɛ/) and then a l sound (/l/). This surname likely has a Germanic origin, since it follows the typical pattern of combining two words to create a compound surname.